* Let unhandled exceptions propogate to user
* Report eval_error when break statement is not in loop
* Fix handling of 0 length scripts closes#193
* Don't crash on arity mismatch - Specifically affects the case where no overloads exist for a given function
* Fix error printing for `bind` calls
* Handle unexpected continue statement
* Check arity during bind
* Don't allow arith conversion on variadic function
* Correct `bind` parameter match count
* Add in expected Boxed_Value exception cases
* Check access to AST, don't allow `;` in func def
* Don't attempt arithmetic unary & call
* Don't crash on 0 param call to `bind`
* Catch errors during member function dispatch
* Properly handle type of const bool &
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