spike/:
	- invoking spm_hist2.c backend using cython
	- tests for this
	- powell converges well (it seems)

run_all_tests/:
	- fixed broken script
	- more test cases and data samples
all:
	generale menage
Merge branch 'coreg' of https://github.com/dohmatob/pypreprocess into coreg
REFACTOR: spm_coreg.py is coming up real-strong ;)
Merge branch 'coreg'