Change all wx.PySimpleApp --> wx.App

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxPython/trunk@75868 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
Add wx.PrinterDC.GetPaperRect

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxPython/trunk@75869 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
Add [Set|Is]SashInvisible

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxPython/trunk@75870 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
Fix debug helper line

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxPython/trunk@75871 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
Split multiple architectures if more than one is given.  Closes #15957.
(Modified to split into separate args, delimited by spaces.)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxPython/trunk@75872 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775