When trying to enable mifth_tools in the User Prefs panel, I get the following error:
Traceback (most recent call last):
File "/Applications/Blender/blender.app/Contents/MacOS/../Resources/2.77/scripts/modules/addon_utils.py", line 349, in enable
mod.register()
AttributeError: module 'mifth_tools' has no attribute 'register'
When trying to enable mifth_tools in the User Prefs panel, I get the following error: