diff --git a/.decent_ci-Linux.yaml b/.decent_ci-Linux.yaml
index 495b699..7de93a7 100644
--- a/.decent_ci-Linux.yaml
+++ b/.decent_ci-Linux.yaml
@@ -30,4 +30,8 @@ compilers:
     collect_performance_results: true
   - name: cppcheck
     compiler_extra_flags: --enable=all -I include --inline-suppr -Umax  --suppress="*:cmake*" --suppress="*:unittests/catch.hpp" --force
+  - name: custom_check
+    commands:
+       - ./contrib/check_for_tabs.rb
+    
 
diff --git a/cheatsheet.md b/cheatsheet.md
index 841cb92..eca67f0 100644
--- a/cheatsheet.md
+++ b/cheatsheet.md
@@ -77,7 +77,7 @@ chai.add(chaiscript::constructor<MyType (const MyType &)>(), "MyType");
 It's not strictly necessary to add types, but it helps with many things. Cloning, better errors, etc.
 
 ```
-chai.add(chaiscript::user_type<MyClass>, "MyClass");
+chai.add(chaiscript::user_type<MyClass>(), "MyClass");
 ```
 
 ## Adding Type Conversions
@@ -365,6 +365,7 @@ class My_Class {
     this.x = 2; // this would fail with explicit set to true
   }
 };
+```
 
 ## method_missing
 
diff --git a/contrib/check_for_tabs.rb b/contrib/check_for_tabs.rb
new file mode 100755
index 0000000..bee7d0d
--- /dev/null
+++ b/contrib/check_for_tabs.rb
@@ -0,0 +1,11 @@
+#!/usr/bin/env ruby
+
+require 'json'
+
+`grep -rPIHn '\t' src/* include/* samples/*`.lines { |line|
+  if /(?<filename>.+(hpp|cpp|chai)):(?<linenumber>[0-9]+):(?<restofline>.+)/ =~ line 
+    puts(JSON.dump({:line => linenumber, :filename => filename, :tool => "tab_checker", :message => "Source Code Line Contains Tabs", :messagetype => "warning"}))
+  end
+}
+
+
diff --git a/include/chaiscript/dispatchkit/boxed_cast_helper.hpp b/include/chaiscript/dispatchkit/boxed_cast_helper.hpp
index d8df9be..2e08777 100644
--- a/include/chaiscript/dispatchkit/boxed_cast_helper.hpp
+++ b/include/chaiscript/dispatchkit/boxed_cast_helper.hpp
@@ -33,14 +33,14 @@ namespace chaiscript
     template<typename Result>
       struct Cast_Helper_Inner
       {
-        typedef std::reference_wrapper<typename std::add_const<Result>::type > Result_Type;
+        typedef typename std::add_const<Result>::type Result_Type;
 
         static Result_Type cast(const Boxed_Value &ob, const Type_Conversions *)
         {
           if (ob.get_type_info().bare_equal_type_info(typeid(Result)))
           {
             auto p = throw_if_null(ob.get_const_ptr());
-            return std::cref(*static_cast<const Result *>(p));
+            return *static_cast<const Result *>(p);
           } else {
             throw chaiscript::detail::exception::bad_any_cast();
           }
@@ -52,12 +52,6 @@ namespace chaiscript
       {
       };
 
-    /// Cast_Helper_Inner for casting to a const & type
-    template<typename Result>
-      struct Cast_Helper_Inner<const Result &> : Cast_Helper_Inner<Result>
-      {
-      };
-
 
     /// Cast_Helper_Inner for casting to a const * type
     template<typename Result>
@@ -68,7 +62,7 @@ namespace chaiscript
         {
           if (ob.get_type_info().bare_equal_type_info(typeid(Result)))
           {
-            return static_cast<const Result *>(throw_if_null(ob.get_const_ptr()));
+            return static_cast<const Result *>(ob.get_const_ptr());
           } else {
             throw chaiscript::detail::exception::bad_any_cast();
           }
@@ -84,7 +78,36 @@ namespace chaiscript
         {
           if (!ob.get_type_info().is_const() && ob.get_type_info() == typeid(Result))
           {
-            return static_cast<Result *>(throw_if_null(ob.get_ptr()));
+            return static_cast<Result *>(ob.get_ptr());
+          } else {
+            throw chaiscript::detail::exception::bad_any_cast();
+          }
+        }
+      };
+
+    template<typename Result>
+    struct Cast_Helper_Inner<Result * const &> : public Cast_Helper_Inner<Result *>
+    {
+    };
+
+    template<typename Result>
+    struct Cast_Helper_Inner<const Result * const &> : public Cast_Helper_Inner<const Result *>
+    {
+    };
+
+
+    /// Cast_Helper_Inner for casting to a & type
+    template<typename Result>
+      struct Cast_Helper_Inner<const Result &>
+      {
+        typedef const Result& Result_Type;
+
+        static Result_Type cast(const Boxed_Value &ob, const Type_Conversions *)
+        {
+          if (ob.get_type_info().bare_equal_type_info(typeid(Result)))
+          {
+            auto p = throw_if_null(ob.get_const_ptr());
+            return *static_cast<const Result *>(p);
           } else {
             throw chaiscript::detail::exception::bad_any_cast();
           }
diff --git a/include/chaiscript/dispatchkit/type_info.hpp b/include/chaiscript/dispatchkit/type_info.hpp
index 9cb338c..9614597 100644
--- a/include/chaiscript/dispatchkit/type_info.hpp
+++ b/include/chaiscript/dispatchkit/type_info.hpp
@@ -83,12 +83,12 @@ namespace chaiscript
           && (*m_bare_type_info) == ti;
       }
 
-      CHAISCRIPT_CONSTEXPR bool is_const() const CHAISCRIPT_NOEXCEPT { return bool(m_flags & (1 << is_const_flag)); }
-      CHAISCRIPT_CONSTEXPR bool is_reference() const CHAISCRIPT_NOEXCEPT { return bool(m_flags & (1 << is_reference_flag)); }
-      CHAISCRIPT_CONSTEXPR bool is_void() const CHAISCRIPT_NOEXCEPT { return bool(m_flags & (1 << is_void_flag)); }
-      CHAISCRIPT_CONSTEXPR bool is_arithmetic() const CHAISCRIPT_NOEXCEPT { return bool(m_flags & (1 << is_arithmetic_flag)); }
-      CHAISCRIPT_CONSTEXPR bool is_undef() const CHAISCRIPT_NOEXCEPT { return bool(m_flags & (1 << is_undef_flag)); }
-      CHAISCRIPT_CONSTEXPR bool is_pointer() const CHAISCRIPT_NOEXCEPT { return bool(m_flags & (1 << is_pointer_flag)); }
+      CHAISCRIPT_CONSTEXPR bool is_const() const CHAISCRIPT_NOEXCEPT { return (m_flags & (1 << is_const_flag)) != 0; }
+      CHAISCRIPT_CONSTEXPR bool is_reference() const CHAISCRIPT_NOEXCEPT { return (m_flags & (1 << is_reference_flag)) != 0; }
+      CHAISCRIPT_CONSTEXPR bool is_void() const CHAISCRIPT_NOEXCEPT { return (m_flags & (1 << is_void_flag)) != 0; }
+      CHAISCRIPT_CONSTEXPR bool is_arithmetic() const CHAISCRIPT_NOEXCEPT { return (m_flags & (1 << is_arithmetic_flag)) != 0; }
+      CHAISCRIPT_CONSTEXPR bool is_undef() const CHAISCRIPT_NOEXCEPT { return (m_flags & (1 << is_undef_flag)) != 0; }
+      CHAISCRIPT_CONSTEXPR bool is_pointer() const CHAISCRIPT_NOEXCEPT { return (m_flags & (1 << is_pointer_flag)) != 0; }
 
       std::string name() const
       {
diff --git a/include/chaiscript/language/chaiscript_parser.hpp b/include/chaiscript/language/chaiscript_parser.hpp
index 37b717f..6548521 100644
--- a/include/chaiscript/language/chaiscript_parser.hpp
+++ b/include/chaiscript/language/chaiscript_parser.hpp
@@ -961,6 +961,40 @@ namespace chaiscript
         }
 
         void parse(const char_type t_char, const int line, const int col, const std::string &filename) {
+          const bool is_octal_char = t_char >= '0' && t_char <= '7';
+
+          if (is_octal) {
+            if (is_octal_char) {
+              octal_matches.push_back(t_char);
+
+              if (octal_matches.size() == 3) {
+                process_octal();
+              }
+              return;
+            } else {
+              process_octal();
+            }
+          } else if (is_hex) {
+            const bool is_hex_char = (t_char >= '0' && t_char <= '9')
+                                  || (t_char >= 'a' && t_char <= 'f')
+                                  || (t_char >= 'A' && t_char <= 'F');
+
+            if (is_hex_char) {
+              hex_matches.push_back(t_char);
+
+              if (hex_matches.size() == 2*sizeof(char_type)) {
+                // This rule differs from the C/C++ standard, but ChaiScript
+                // does not offer the same workaround options, and having
+                // hexadecimal sequences longer than can fit into the char
+                // type is undefined behavior anyway.
+                process_hex();
+              }
+              return;
+            } else {
+              process_hex();
+            }
+          }
+
           if (t_char == '\\') {
             if (is_escaped) {
               match.push_back('\\');
@@ -970,31 +1004,7 @@ namespace chaiscript
             }
           } else {
             if (is_escaped) {
-              const bool is_octal_char = t_char >= '0' && t_char <= '7';
-
-              if (is_octal) {
-                if (is_octal_char) {
-                  octal_matches.push_back(t_char);
-
-                  if (octal_matches.size() == 3) {
-                    process_octal();
-                  }
-                } else {
-                  process_octal();
-                  match.push_back(t_char);
-                }
-              } else if (is_hex) {
-                const bool is_hex_char = (t_char >= '0' && t_char <= '9')
-                                      || (t_char >= 'a' && t_char <= 'f')
-                                      || (t_char >= 'A' && t_char <= 'F');
-
-                if (is_hex_char) {
-                  hex_matches.push_back(t_char);
-                } else {
-                  process_hex();
-                  match.push_back(t_char);
-                }
-              } else if (is_octal_char) {
+              if (is_octal_char) {
                 is_octal = true;
                 octal_matches.push_back(t_char);
               } else if (t_char == 'x') {
diff --git a/include/chaiscript/utility/json.hpp b/include/chaiscript/utility/json.hpp
index 893f7bf..c023c2b 100644
--- a/include/chaiscript/utility/json.hpp
+++ b/include/chaiscript/utility/json.hpp
@@ -421,22 +421,22 @@ class JSON
         Class Type;
 };
 
-JSON Array() {
+inline JSON Array() {
     return JSON::Make( JSON::Class::Array );
 }
 
 template <typename... T>
-JSON Array( T... args ) {
+inline JSON Array( T... args ) {
     JSON arr = JSON::Make( JSON::Class::Array );
     arr.append( args... );
     return arr;
 }
 
-JSON Object() {
+inline JSON Object() {
     return JSON::Make( JSON::Class::Object );
 }
 
-std::ostream& operator<<( std::ostream &os, const JSON &json ) {
+inline std::ostream& operator<<( std::ostream &os, const JSON &json ) {
     os << json.dump();
     return os;
 }
@@ -636,7 +636,7 @@ namespace {
     }
 }
 
-JSON JSON::Load( const string &str ) {
+inline JSON JSON::Load( const string &str ) {
     size_t offset = 0;
     return parse_next( str, offset );
 }
diff --git a/include/chaiscript/utility/utility.hpp b/include/chaiscript/utility/utility.hpp
index ecd5a3f..381afda 100644
--- a/include/chaiscript/utility/utility.hpp
+++ b/include/chaiscript/utility/utility.hpp
@@ -8,12 +8,14 @@
 #define CHAISCRIPT_UTILITY_UTILITY_HPP_
 
 #include <string>
+#include <type_traits>
 #include <utility>
 #include <vector>
 
 #include "../chaiscript.hpp"
 #include "../dispatchkit/proxy_functions.hpp"
 #include "../dispatchkit/type_info.hpp"
+#include "../dispatchkit/operators.hpp"
 
 
 namespace chaiscript 
@@ -62,6 +64,32 @@ namespace chaiscript
           t_module.add(fun.first, fun.second);
         }
       }
+
+    template<typename Enum, typename ModuleType>
+      typename std::enable_if<std::is_enum<Enum>::value, void>::type
+      add_class(ModuleType &t_module,
+        const std::string &t_class_name,
+        const std::vector<std::pair<typename std::underlying_type<Enum>::type, std::string>> &t_constants)
+      {
+        t_module.add(chaiscript::user_type<Enum>(), t_class_name);
+
+        t_module.add(chaiscript::constructor<Enum ()>(), t_class_name);
+        t_module.add(chaiscript::constructor<Enum (const Enum &)>(), t_class_name);
+
+        t_module.add([](){
+              // add some comparison and assignment operators
+              using namespace chaiscript::bootstrap::operators;
+              return assign<Enum>(not_equal<Enum>(equal<Enum>()));
+            }());
+
+        t_module.add(chaiscript::fun([](const Enum &e, const typename std::underlying_type<Enum>::type &i) { return e == i; }), "==");
+        t_module.add(chaiscript::fun([](const typename std::underlying_type<Enum>::type &i, const Enum &e) { return i == e; }), "==");
+
+        for (const auto &constant : t_constants)
+        {
+          t_module.add_global_const(chaiscript::const_var(Enum(constant.first)), constant.second);
+        }
+      }
   }
 }
 
diff --git a/unittests/boxed_cast_test.cpp b/unittests/boxed_cast_test.cpp
index e575649..1e92874 100644
--- a/unittests/boxed_cast_test.cpp
+++ b/unittests/boxed_cast_test.cpp
@@ -13,9 +13,9 @@ bool run_test_type_conversion(const Boxed_Value &bv, bool expectedpass)
   try {
     To ret = chaiscript::boxed_cast<To>(bv);
     use(ret);
-  } catch (const chaiscript::exception::bad_boxed_cast &/*e*/) {
+  } catch (const chaiscript::exception::bad_boxed_cast &e) {
     if (expectedpass) {
-//      std::cerr << "Failure in run_test_type_conversion: " << e.what() << '\n';
+      std::cerr << "Failure in run_test_type_conversion: " << e.what() << '\n';
       return false;
     } else {
       return true;
diff --git a/unittests/compiled_tests.cpp b/unittests/compiled_tests.cpp
index 63213b0..de37aaf 100644
--- a/unittests/compiled_tests.cpp
+++ b/unittests/compiled_tests.cpp
@@ -2,6 +2,7 @@
 // caught in other cpp files if chaiscript causes them
 
 #include <chaiscript/utility/utility.hpp>
+#include <chaiscript/dispatchkit/bootstrap_stl.hpp>
 
 #ifdef CHAISCRIPT_MSVC
 #pragma warning(push)
@@ -520,6 +521,65 @@ TEST_CASE("Utility_Test utility class wrapper")
 }
 
 
+enum Utility_Test_Numbers
+{
+  ONE,
+  TWO,
+  THREE
+};
+
+void do_something_with_enum_vector(const std::vector<Utility_Test_Numbers> &v)
+{
+  CHECK(v.size() == 3);
+  CHECK(v[0] == ONE);
+  CHECK(v[1] == THREE);
+  CHECK(v[2] == TWO);
+}
+
+TEST_CASE("Utility_Test utility class wrapper for enum")
+{
+
+  chaiscript::ModulePtr m = chaiscript::ModulePtr(new chaiscript::Module());
+
+  using namespace chaiscript;
+
+  chaiscript::utility::add_class<Utility_Test_Numbers>(*m,
+      "Utility_Test_Numbers",
+      { { ONE, "ONE" },
+        { TWO, "TWO" },
+        { THREE, "THREE" }
+
+        }
+      );
+
+
+  chaiscript::ChaiScript chai;
+  chai.add(m);
+
+  CHECK(chai.eval<Utility_Test_Numbers>("ONE ") == 0);
+  CHECK(chai.eval<Utility_Test_Numbers>("TWO ") == 1);
+  CHECK(chai.eval<Utility_Test_Numbers>("THREE ") == 2);
+
+  CHECK(chai.eval<bool>("ONE == 0"));
+
+  chai.add(chaiscript::fun(&do_something_with_enum_vector), "do_something_with_enum_vector");
+  chai.add(chaiscript::vector_conversion<std::vector<Utility_Test_Numbers>>());
+  CHECK_NOTHROW(chai.eval("var a = [ONE, TWO, THREE]"));
+  CHECK_NOTHROW(chai.eval("do_something_with_enum_vector([ONE, THREE, TWO])"));
+  CHECK_NOTHROW(chai.eval("[ONE]"));
+
+  const auto v = chai.eval<std::vector<Utility_Test_Numbers>>("a");
+  CHECK(v.size() == 3);
+  CHECK(v.at(1) == TWO);
+
+  CHECK(chai.eval<bool>("ONE == ONE"));
+  CHECK(chai.eval<bool>("ONE != TWO"));
+  CHECK_NOTHROW(chai.eval("var o = ONE; o = TWO"));
+
+
+}
+
+
 ////// Object copy count test
 
 class Object_Copy_Count_Test
@@ -804,3 +864,54 @@ TEST_CASE("Test long long dispatch")
   chai.eval("ulonglong(15)");
 }
 
+
+struct Returned_Converted_Config
+{
+  int num_iterations;
+  int something_else;
+  std::string a_string;
+  std::function<int (const std::string &)> a_function;
+};
+
+
+TEST_CASE("Return of converted type from script")
+{
+  chaiscript::ChaiScript chai;
+
+  chai.add(chaiscript::constructor<Returned_Converted_Config ()>(), "Returned_Converted_Config");
+  chai.add(chaiscript::fun(&Returned_Converted_Config::num_iterations), "num_iterations");
+  chai.add(chaiscript::fun(&Returned_Converted_Config::something_else), "something_else");
+  chai.add(chaiscript::fun(&Returned_Converted_Config::a_string), "a_string");
+  chai.add(chaiscript::fun(&Returned_Converted_Config::a_function), "a_function");
+  chai.add(chaiscript::vector_conversion<std::vector<Returned_Converted_Config>>());
+
+  auto c = chai.eval<std::vector<Returned_Converted_Config>>(R"(
+    var c = Returned_Converted_Config();
+
+    c.num_iterations = 5;
+    c.something_else = c.num_iterations * 2;
+    c.a_string = "string";
+    c.a_function = fun(s) { s.size(); }
+
+    print("making vector");
+    var v = [];
+    print("adding config item");
+    v.push_back_ref(c);
+    print("returning vector");
+    v;
+
+  )");
+
+
+  std::cout << typeid(decltype(c)).name() << std::endl;
+
+  std::cout << "Info: " << c.size() << " " << &c[0] << std::endl;
+
+  std::cout << "num_iterations " << c[0].num_iterations << '\n'
+            << "something_else " << c[0].something_else << '\n'
+            << "a_string " << c[0].a_string << '\n'
+            << "a_function " << c[0].a_function("bob") << '\n';
+
+  chai.add(chaiscript::user_type<Returned_Converted_Config>(), "Returned_Converted_Config");
+}
+
diff --git a/unittests/hex_escapes.chai b/unittests/hex_escapes.chai
index 283ef87..fdd0a8a 100644
--- a/unittests/hex_escapes.chai
+++ b/unittests/hex_escapes.chai
@@ -1,6 +1,7 @@
 
 assert_equal("\x39", "9")
-assert_equal("\x039", "9")
+assert_equal("\x39ec", "9ec")
 assert_equal("\x39g", "9g")
 assert_equal("b\x39g", "b9g")
+assert_equal("\x39\x38g", "98g")
 
diff --git a/unittests/map.chai b/unittests/map.chai
index b2901ce..eb7a133 100644
--- a/unittests/map.chai
+++ b/unittests/map.chai
@@ -1,29 +1,41 @@
-assert_equal([true, false, true], map([1,2,3], odd))
+// Map function
+
+{ 
+  assert_equal([true, false, true], map([1,2,3], odd))
+
+  var v = [1, 2, 3];
+  var y = map(v, fun(s) { s*2; });
+  y[0] = 1;
+  assert_equal(1, y[0]);
+} 
 
 
+// Map objects
 
-var m = ["a":1, "b":2];
+{
+  var m = ["a":1, "b":2];
 
-assert_equal(1, m.count("a"))
-assert_equal(0, m.count("c"))
-assert_equal(1, m.erase("a"))
-assert_equal(1, m.size())
-assert_equal(0, m.erase("a"))
+  assert_equal(1, m.count("a"))
+  assert_equal(0, m.count("c"))
+  assert_equal(1, m.erase("a"))
+  assert_equal(1, m.size())
+  assert_equal(0, m.erase("a"))
 
-assert_equal(1, m.size());
+  assert_equal(1, m.size());
 
-var m2 = ["c":3, "b":4]
-m.insert(m2);
+  var m2 = ["c":3, "b":4]
+  m.insert(m2);
 
-assert_equal(3, m["c"])
-// The inserted values do not overwrite the existing ones
-assert_equal(2, m["b"])
-assert_equal(2, m.size())
+  assert_equal(3, m["c"])
+  // The inserted values do not overwrite the existing ones
+  assert_equal(2, m["b"])
+  assert_equal(2, m.size())
 
-var v = "bob";
+  var v = "bob";
 
-m.insert_ref(Map_Pair("d", v))
+  m.insert_ref(Map_Pair("d", v))
 
-assert_equal("bob", m["d"])
-v = "bob2"
-assert_equal("bob2", m["d"])
+  assert_equal("bob", m["d"])
+  v = "bob2"
+  assert_equal("bob2", m["d"])
+}
diff --git a/unittests/octal_escapes.chai b/unittests/octal_escapes.chai
index 83b5392..a220d57 100644
--- a/unittests/octal_escapes.chai
+++ b/unittests/octal_escapes.chai
@@ -3,4 +3,5 @@ assert_equal("\71", "9")
 assert_equal("\071", "9")
 assert_equal("\71a", "9a")
 assert_equal("b\71a", "b9a")
+assert_equal("\71\70a", "98a")