Log Message:
(cad/klayout) Updated 0.26.10 to 0.26.11 based on the wip/klayout by Atsushi \ 
Toyokura, thanks

(0.27.0 is again, waiting)
0.26.11         (2021-02-27):

* Bugfix: %GITHUB%/issues/733
  Relative path resolution in session files fails when the session file's path \ 
contains
  "+" characters
* Enhancement: %GITHUB%/issues/730
  Support of class 'QUiLoader' in PYA and RBA
* Bugfix: %GITHUB%/issues/728
  Fails to build on Debian hppa: uses non-standard sa_restorer field of struct \ 
sigaction
* Bugfix: %GITHUB%/issues/726
  Crash on LayoutView#clear_selection on Linux.
* Bugfix: %GITHUB%/issues/723
  Backup scheme wasn't working correctly with a single file without path
  given as command line argument.