Removed some cruft
Normalised “hidden” tags
SourceLineInfo takes char*s instead of std::strings
Fixed broken single header following script change
- fixed the script (was missing #ifdefs)
- also fixed single include (Xcode) test project
- build 16
Build 16

Merge remote-tracking branch 'remotes/upstream/master'

Conflicts:
	README.md
	projects/SelfTest/TestMain.cpp
	scripts/generateSingleHeader.py
	single_include/catch.hpp