diff --git a/lutin/module.py b/lutin/module.py
index 7ea7aeb..4142c7a 100644
--- a/lutin/module.py
+++ b/lutin/module.py
@@ -575,7 +575,7 @@ class Module:
 		# ----------------------------------------------------
 		# -- Generic library help                           --
 		# ----------------------------------------------------
-		package_version_string = tools.version_toString(self._package_prop["VERSION"]);
+		package_version_string = tools.version_to_string(self._package_prop["VERSION"]);
 		if self._type == 'DATA':
 			debug.print_element("Data", self._name, "-", package_version_string)
 		elif self._type == 'PREBUILD':
diff --git a/lutin/target.py b/lutin/target.py
index 50abe1a..98f02cb 100644
--- a/lutin/target.py
+++ b/lutin/target.py
@@ -1035,7 +1035,7 @@ class Target:
 		debug.debug("make_package_generic_files [START]")
 		## Create version file:
 		ret_version = tools.file_write_data(os.path.join(path_package, self.pkg_path_version_file),
-		                                    tools.version_toString(pkg_properties["VERSION"]),
+		                                    tools.version_to_string(pkg_properties["VERSION"]),
 		                                    only_if_new=True)
 		
 		## Create maintainer file:
diff --git a/lutin/tools.py b/lutin/tools.py
index bab59da..44e1927 100644
--- a/lutin/tools.py
+++ b/lutin/tools.py
@@ -61,6 +61,7 @@ def file_size(path):
 	return statinfo.st_size
 
 def file_read_data(path, binary=False):
+	debug.verbose("path= " + path)
 	if not os.path.isfile(path):
 		return ""
 	if binary == True:
@@ -71,7 +72,7 @@ def file_read_data(path, binary=False):
 	file.close()
 	return data_file
 
-def version_toString(version):
+def version_to_string(version):
 	version_ID = ""
 	for id in version:
 		if len(version_ID) != 0:
diff --git a/lutin/z_target/lutinTarget_Android.py b/lutin/z_target/lutinTarget_Android.py
index 858dd80..8beb216 100644
--- a/lutin/z_target/lutinTarget_Android.py
+++ b/lutin/z_target/lutinTarget_Android.py
@@ -245,7 +245,7 @@ class Target(target.Target):
 	
 	def make_package_binary(self, pkg_name, pkg_properties, base_pkg_path, heritage_list, static):
 		debug.debug("------------------------------------------------------------------------")
-		debug.info("Generate package '" + pkg_name + "' v" + tools.version_toString(pkg_properties["VERSION"]))
+		debug.info("Generate package '" + pkg_name + "' v" + tools.version_to_string(pkg_properties["VERSION"]))
 		debug.debug("------------------------------------------------------------------------")
 		#output path
 		target_outpath = self.get_staging_path(pkg_name)
diff --git a/lutin/z_target/lutinTarget_Debian.py b/lutin/z_target/lutinTarget_Debian.py
index 00d5cfa..0257f5c 100644
--- a/lutin/z_target/lutinTarget_Debian.py
+++ b/lutin/z_target/lutinTarget_Debian.py
@@ -57,7 +57,7 @@ class Target(lutinTarget_Linux.Target):
 		# http://alp.developpez.com/tutoriels/debian/creer-paquet/
 		debianpkg_name = re.sub("_", "-", pkg_name)
 		debug.debug("------------------------------------------------------------------------")
-		debug.info("Generate generic '" + pkg_name + "' v" + tools.version_toString(pkg_properties["VERSION"]))
+		debug.info("Generate generic '" + pkg_name + "' v" + tools.version_to_string(pkg_properties["VERSION"]))
 		debug.debug("------------------------------------------------------------------------")
 		#output path
 		target_outpath = os.path.join(self.get_staging_path(pkg_name), pkg_name + ".app")
@@ -106,7 +106,7 @@ class Target(lutinTarget_Linux.Target):
 			tools.create_directory_of_file(finalFileControl)
 			tmpFile = open(finalFileControl, 'w')
 			tmpFile.write("Package: " + debianpkg_name + "\n")
-			tmpFile.write("Version: " + tools.version_toString(pkg_properties["VERSION"]) + "\n")
+			tmpFile.write("Version: " + tools.version_to_string(pkg_properties["VERSION"]) + "\n")
 			tmpFile.write("Section: " + self.generate_list_separate_coma(pkg_properties["SECTION"]) + "\n")
 			tmpFile.write("Priority: " + pkg_properties["PRIORITY"] + "\n")
 			tmpFile.write("Architecture: all\n")
diff --git a/lutin/z_target/lutinTarget_IOs.py b/lutin/z_target/lutinTarget_IOs.py
index b7f393c..d122c13 100644
--- a/lutin/z_target/lutinTarget_IOs.py
+++ b/lutin/z_target/lutinTarget_IOs.py
@@ -103,7 +103,7 @@ class Target(target.Target):
 	
 	def make_package_binary(self, pkg_name, pkg_properties, base_pkg_path, heritage_list, static):
 		debug.debug("------------------------------------------------------------------------")
-		debug.info("Generate package '" + pkg_name + "' v" + tools.version_toString(pkg_properties["VERSION"]))
+		debug.info("Generate package '" + pkg_name + "' v" + tools.version_to_string(pkg_properties["VERSION"]))
 		debug.debug("------------------------------------------------------------------------")
 		#output path
 		target_outpath = os.path.join(self.get_staging_path(pkg_name), pkg_name + ".app")
@@ -206,7 +206,7 @@ class Target(target.Target):
 			data_file += "			</array>\n"
 			data_file += "			\n"
 			data_file += "			<key>CFBundleShortVersionString</key>\n"
-			data_file += "			<etk/String.hpp>"+tools.version_toString(pkg_properties["VERSION"])+"</string>\n"
+			data_file += "			<etk/String.hpp>"+tools.version_to_string(pkg_properties["VERSION"])+"</string>\n"
 			data_file += "			<key>CFBundleVersion</key>\n"
 			data_file += "			<etk/String.hpp>"+str(pkg_properties["VERSION_CODE"])+"</string>\n"
 			data_file += "			\n"
diff --git a/lutin/z_target/lutinTarget_Linux.py b/lutin/z_target/lutinTarget_Linux.py
index fc2d7bd..1c8aec6 100644
--- a/lutin/z_target/lutinTarget_Linux.py
+++ b/lutin/z_target/lutinTarget_Linux.py
@@ -86,7 +86,7 @@ class Target(target.Target):
 	"""
 	def make_package_binary(self, pkg_name, pkg_properties, base_pkg_path, heritage_list, static):
 		debug.debug("------------------------------------------------------------------------")
-		debug.debug("-- Generate generic '" + pkg_name + "' v" + tools.version_toString(pkg_properties["VERSION"]))
+		debug.debug("-- Generate generic '" + pkg_name + "' v" + tools.version_to_string(pkg_properties["VERSION"]))
 		debug.debug("------------------------------------------------------------------------")
 		#output path
 		target_outpath = os.path.join(self.get_staging_path(pkg_name), pkg_name + ".app")
diff --git a/lutin/z_target/lutinTarget_MacOs.py b/lutin/z_target/lutinTarget_MacOs.py
index 4a2b52e..9e80eb2 100644
--- a/lutin/z_target/lutinTarget_MacOs.py
+++ b/lutin/z_target/lutinTarget_MacOs.py
@@ -69,7 +69,7 @@ class Target(target.Target):
 	
 	def make_package_binary(self, pkg_name, pkg_properties, base_pkg_path, heritage_list, static):
 		debug.debug("------------------------------------------------------------------------")
-		debug.info("Generate package '" + pkg_name + "' v" + tools.version_toString(pkg_properties["VERSION"]))
+		debug.info("Generate package '" + pkg_name + "' v" + tools.version_to_string(pkg_properties["VERSION"]))
 		debug.debug("------------------------------------------------------------------------")
 		#output path
 		target_outpath = os.path.join(self.get_staging_path(pkg_name), pkg_name + ".app/Contents")
diff --git a/lutin/z_target/lutinTarget_Web.py b/lutin/z_target/lutinTarget_Web.py
index 5bdd79b..79ffbff 100644
--- a/lutin/z_target/lutinTarget_Web.py
+++ b/lutin/z_target/lutinTarget_Web.py
@@ -95,7 +95,7 @@ class Target(lutinTarget_Linux.Target):
 	"""
 	def make_package_binary(self, pkg_name, pkg_properties, base_pkg_path, heritage_list, static):
 		debug.debug("------------------------------------------------------------------------")
-		debug.debug("-- Generate generic '" + pkg_name + "' v" + tools.version_toString(pkg_properties["VERSION"]))
+		debug.debug("-- Generate generic '" + pkg_name + "' v" + tools.version_to_string(pkg_properties["VERSION"]))
 		debug.debug("------------------------------------------------------------------------")
 		#output path
 		target_outpath = os.path.join(self.get_staging_path(pkg_name, tmp=True), pkg_name + ".app")
diff --git a/lutin/z_target/lutinTarget_Windows.py b/lutin/z_target/lutinTarget_Windows.py
index 0d6a890..146f5c2 100644
--- a/lutin/z_target/lutinTarget_Windows.py
+++ b/lutin/z_target/lutinTarget_Windows.py
@@ -77,7 +77,7 @@ class Target(target.Target):
 	
 	def make_package_binary(self, pkg_name, pkg_properties, base_pkg_path, heritage_list, static):
 		debug.debug("------------------------------------------------------------------------")
-		debug.debug("Generate package '" + pkg_name + "' v" + tools.version_toString(pkg_properties["VERSION"]))
+		debug.debug("Generate package '" + pkg_name + "' v" + tools.version_to_string(pkg_properties["VERSION"]))
 		debug.debug("------------------------------------------------------------------------")
 		#output path
 		target_outpath = os.path.join(self.get_staging_path(pkg_name, tmp=True), pkg_name + ".app")