Added string parsing features
The closure support is under way.
Closure is working fine
Fixes delegate and factory bugs
Tested linking issues with external package
Bug fix for external package.
Fixes set traversing bug
Fixes delegate related bug
Block variable access bug fixed
txt can now be built on seperate factory
Fixes generics issues
added txt manipulation functions, fixes unref issue.

	- We now have move_to() and same_same() function for etxt.
	- We fix shift frunction of etxt .
	- We fix unref issue .
Fixes a delegate bug
We now have a single file compilation and Our generated code compiles in C++ now. But we have some test failures
Fixes block bug and added prefix to class and structs
It fixes block bug
Fixes factory bug, this bug was introduced by earlier renaming of class and struct names in generated C code.
Fixes issue with bool type and searchable type
Fixes interface ref,unref issue
Fixes the copy function for txt