gnucash maint: Multiple changes pushed

[John Ralls]

Updated	 via  https://github.com/Gnucash/gnucash/commit/0251d044 (commit)
	 via  https://github.com/Gnucash/gnucash/commit/5a73b9af (commit)
	 via  https://github.com/Gnucash/gnucash/commit/cc7673cc (commit)
	 via  https://github.com/Gnucash/gnucash/commit/bf9ec70f (commit)
	 via  https://github.com/Gnucash/gnucash/commit/d93d4efd (commit)
	 via  https://github.com/Gnucash/gnucash/commit/af3b9bf2 (commit)
	from  https://github.com/Gnucash/gnucash/commit/fc355958 (commit)



commit 0251d044b5b4c3123752c0e85d80ee0f319bf72f
Merge: fc355958b 5a73b9afd
Author: John Ralls <jralls at ceridwen.us>
Date:   Mon Apr 15 14:25:49 2019 -0700

    Merge Christoph Holtermann's 'Pr pycons2to3' into maint.

commit 5a73b9afd4010546c36c4761a098747bc7d8fd5c
Author: c-holtermann <mail at c-holtermann.net>
Date:   Sat Apr 13 18:16:12 2019 +0200

    syntax change to exec

commit cc7673ccc89ebcdfa22dd223de1fd5a57c6f6764
Author: c-holtermann <mail at c-holtermann.net>
Date:   Sat Apr 13 18:15:51 2019 +0200

    filter needs to be converted to list.
    
    Method replace is missing. Needs to be fixed.

commit bf9ec70f27e3e86e5a901e2a86813369114c06de
Author: c-holtermann <mail at c-holtermann.net>
Date:   Sat Apr 13 18:16:32 2019 +0200

    reflect syntax change to sys tracebacks

commit d93d4efd82df063a3baa868774c1c6f35da10aed
Author: c-holtermann <mail at c-holtermann.net>
Date:   Sat Apr 13 18:13:19 2019 +0200

    Import necessary module gdk

commit af3b9bf215d41216fd9f7578e678d3ddaefe344e
Author: c-holtermann <mail at c-holtermann.net>
Date:   Mon Apr 15 22:00:27 2019 +0200

    change shebang to python3



Summary of changes:
 gnucash/python/pycons/console.py |  3 ++-
 gnucash/python/pycons/ishell.py  |  2 +-
 gnucash/python/pycons/shell.py   | 14 +++++++-------
 3 files changed, 10 insertions(+), 9 deletions(-)