PR 29 from Werner

- make CDate compatible with py2/py3
- add documentation to CDate and add Phoenix tags
- create some unittests for CDate

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxPython/Phoenix/trunk@75591 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
PR 31 from Metallicow. Py3 and Phoenix updates for colourchooser.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxPython/Phoenix/trunk@75592 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
PR 32 from Metallicow. Py3 and Phoenix updates for analog clock.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxPython/Phoenix/trunk@75593 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
PR 33 from Metallicow. Py3 and Phoenix updates for editor.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxPython/Phoenix/trunk@75594 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
PR 34 from Metallicow. Py3 and Phoenix updates for art.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxPython/Phoenix/trunk@75595 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
PR 35 from Metallicow. Py3 and Phoenix updates for maskededit.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxPython/Phoenix/trunk@75596 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
Part of PR 36 from Metallicow. Py3 and Phoenix updates for maskededit.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxPython/Phoenix/trunk@75597 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775