Permutation and Sign
ce qui est vert
Useless pcc
MS Files
Merge branch 'master' into Permutation

Conflicts:
	Geometry/Geometry.vcxproj.filters
* tests passing
Overloaded ActOn
Cleanup
Readying
Merge branch 'master'
Make it work again
LFFTW
After eggrobin's review.
Whitespace
Merge branch 'master'
Compilation after merge.
After eggrobin's 2nd review.