fixes ImageWindowIterator bug
adds imaewindowiterator tests
removes ceil
changes imagewindowiterator tests
adds hog dalaltriggs test
Catch TypeError for Windows path
Hotfix to gaussian pyramid

- The previous code was producing masks with incorrect shape, this hotfix solves the problem.
Merge pull request #272 from ja310/hotfix_gaussian_pyramid

Hotfix to gaussian pyramid
Merge branch 'master' into residual_exp
numerical comparison should always be == not is
another path error for windows
removes ceil and floor from dalaltriggs
removes useless comments from hog.cpp
Merge pull request #273 from jabooth/windowspath

Windows Hotfixes
Update README.md
Update README.md
zhuramanan n_channels test
shutup Procrustes.
Merge pull request #274 from jabooth/quietgpa

shutup Procrustes.
adds igo, es and lbp n_channels tests