- added to FunctionBase: bool register_default_models (default true)

if true then winix will add default models for ezc templates such as "request", "item", etc.
- some methods from templates/item.cpp moved to Item

winixd/core/misc.h

@@ -771,7 +771,7 @@ void UrlEncode(char c, StringType & out, bool clear_out = true)
 static pt::TextStream tmp;
 
 	UrlEncode(c, tmp);
-	tmp.to_string(out, clear_out);
+	tmp.to_str(out, clear_out);
 }
 
 
@@ -882,6 +882,7 @@ void QEncode(const std::wstring & in, pt::TextStreamBase<char_type, stack_size,
 }
 
 
+// no thread safe
 void QEncode(const std::wstring & in, std::string & out, bool clear = true);