Guiding principles
Merge pull request #5 from GLDRorg/readme

Added 'guiding principles' to readme
Fixed some minor issues. IMHO it's OK for master.
Removed operators.
Merge pull request #3 from GLDRorg/glid

Finalised glid class
Merge branch 'master' into thecoshman
Merge branch 'master' into thecoshman

Conflicts:
	src/glid.hpp
Updated to use explicate conversion of glid.
Program can now attach many shaders at once via recursive varidaic template.