Reordered argument doc list to match actual argument order.
Fix for large datasets hanging whole_frame_alignment
memory improvements for motion correction of large datasets
memory still overloads when using pools
Merge pull request #48 from nbdanielson/master

memory improvements for motion correction of large datasets
Fixed issue #50: os.path.samefile not in Windows
Fixed whitespace
Merge pull request #51 from tamachado/master

Fixed issue #50: os.path.samefile not in Windows
Bug fixes for motion corrected sequence class
Refactoring of 2D HMM and work on 3D HMM.

Tests pass.
Working 3D HMM, though still contains rough hacks.

2D tests still pass. 3D displacements reasonable.
trim_coords for 3D displacements
Fixed exporting of frames.