ENH: Add `doctest_skip_parser` allowing conditional skipping of doctests
FIX: Skip `viewer.show()` commands which hang Travis
Remove duplicate greycomatrix function definitions
Add test case for *_boundaries functions
Test invalid inplace operation
Add missing deprecation removal to todo
Add missing deprecation removal to todo
unwrap: initial commit
unwrap: compiles, test passes
unwrap: cleanups
unwrap: compiles ok
unwrap: moved global variables (wrap_around) to params struct
unwrap: implemented wrap_around arguments
unwrap: changed mask values to numpy.ma convention
unwrap: variable renaming
unwrap: accept (and return if given) an masked array as input argument
unwrap: added original 3D unwrapped code
unwrap: moved pure python code from unwrap2D.pyx to unwrap.py, allocate output array in pure python
unwrap: removed use of global variables
unwrap: added 3D unwrapping (untested)