Fix files that are using both SPACE and TAB characters for indentation
to use one or the other.
Convert files to use only four (4) SPACE characters for indentation.
Change usage of wxPython constants and class methods to match current
documentation.
a. Change to use wx.Colour instead of wx.Color, as the later is not in
Phoenix
b. Change to use rect.Contains instead of rect.Inside, as the later is
not in Phoenix
d. Replace Colour.Get() with Colour.Get(False), as default for
includeAlpha changed from False to True in Phoenix
Fixed imports
Removed redundant; Added missing; Merged imports that referenced same
file
Rename variables that are the same as a reserved word or built-in symbol
Fix coding errors
a. NameError: global name 'cwd' is not defined
b. Instance method without self parameter
c. Obsolete '<>' not equals comparison operator