Rewritten HTTPServer to use size_t for data lengths.
Fixed Comparison to -1 in HTTPMessage.h
Fixed format string in HTTPConnection
Fixed All signedness warnings in HTTPServer.cpp
Merge branch 'master' into HTTPSizeT
Merge branch 'master' into HTTPSizeT

Conflicts:
	src/HTTPServer/EnvelopeParser.h
	src/HTTPServer/HTTPFormParser.h
	src/HTTPServer/MultipartParser.h
Merge branch 'master' into HTTPSizeT