BUG: Making HashImageFilter derived form ProcessObject

Change-Id: Ied29b3742b58d02af03315630c878cde8b608533
ENH: adding initial python process object test

Change-Id: Iaa37c2ed164a833d831a619203faead9d6ccaab2
DOC: adding comment to PyCommand on public methods

Change-Id: I1da438b0bbc8be5fe9ca55d1bbb29b508d021566
BUG: wrap sitkPyCommand after parent

To get correct inheritance behavior through SWIG, the super class must
be wrapped before the child.

Change-Id: I2201f2e92a192e28b1aaad9a4676d7bc94a5cdc3
Adding test for PyCommand and lambdas

Change-Id: I2c780502be77308164d908abe68a8a1182371453
Merge topic 'SIMPLEITK-463_AddPyCommandSupportForCommands' into next

61a04e2d Adding test for PyCommand and lambdas
2c51d365 BUG: wrap sitkPyCommand after parent
dbe20243 DOC: adding comment to PyCommand on public methods
acf44b92 ENH: adding initial python process object test
a26bff0b BUG: Making HashImageFilter derived form ProcessObject