Release v4.2.6

Modify readme.txt

Release v4.2.5

Had to remove no-merge option for now + some bugfixes

Release v4.2.4

Fixed crashing on cancelling gif import

Release v4.2.3

Added easy ways of selecting multiple things (spriteframes and xml ta…

…ble rows)

Release v4.2.2

minor code cleanup and small bugfix

Release v4.2.1

Using latest pyinstaller in build

Release v4.1.1bugfix

Fixed bug on deleting frames from xml-frames

Release v4.1

Changed readme

Release v4.0

Another readme fix

Release v3.6

Bugfixes