Adding initial code with some testing code in main:
	modified:   codeblocks/flow.cbp
	modified:   codeblocks/flow.depend
	new file:   codeblocks/test.flow
	new file:   include/rapidxml/rapidxml.hpp
	new file:   include/wtf/assert/assert.h
	new file:   include/wtf/flow/dump.h
	new file:   include/wtf/flow/flow.h
	new file:   include/wtf/flow/parse.h
	modified:   src/main.cpp
	new file:   src/wtf/assert/assert.cpp