Fix ConfigDialog - this relates to the url link Pako added. Will add later
Converted most old-style classes to new-style
Catching all exceptions in build create imports. Builder - excluding wx.build.config module
Fixing some lines as a result of bad merges. Added Tasklet.__call__ to make PyCharm happy. A couple other suggestions made by PyCharm.
Replaced assignments with augmented assignments
Removed unneeded imports and some other code styling fixes. Small bug fixes too
Merge branch 'bugfixes' into develop

* bugfixes:
  Removed unneeded imports and some other code styling fixes. Small bug fixes too
  Replaced assignments with augmented assignments
  Fixing some lines as a result of bad merges. Added Tasklet.__call__ to make PyCharm happy. A couple other suggestions made by PyCharm.
  Catching all exceptions in build create imports. Builder - excluding wx.build.config module
  Converted most old-style classes to new-style
  Fix ConfigDialog - this relates to the url link Pako added. Will add later