4.5.1

Fixes

• Fix pypi installation problem (#206)

4.5.0

Fixes

• Application-modal Traits UI dialogs are correctly styled as
  application-modal under Qt. On Macs, they will now appear as independent
  windows rather than drop-down sheets. (#164)
• Qt CodeEditor now honors 'show_line_numbers' and the 'readonly' style (#137)
• Deprecated implements declaration removed, use provides instead (#152)
• Fix TableEditor so that Qt.QSplitter honors 'orientation' trait (#171)
• Show row labels in Qt TableEditor when requested (#176)
• Fix TupleEditor so that multiple change events are not fired (#179)
• Numpy dependency is now optional. ArrayEditor will not be available
  if numpy cannot be imported (#181)
• Add development versioning (#200)