3.1 compatibility
Bugfix: check array before shifting
BUGFIX: solved bug adding a new widget to the top of the widget area, then moving it to the bottom when saving
Merge pull request #45 from g4b0/check-array-before-shifting

Bugfix: check array before shifting
Merge pull request #46 from g4b0/append-widget-to-bottom

BUGFIX: solved bug adding a new widget to the top of the widget area, th...