1.0.13: Updated version file to use github for new version info

v1.0.13
Using file: Changelog.txt
Updated version file to use github for new version info
Fixed potential ArgumentNullException

1.0.11.2

Thanks to github user @HansAcker for this:
	Isolate SE's AudioSource objects from vessel.gameObject. Fixes the repeating decoupler sound where KSP would overwrite one of our AudioSources.

1.0.11.1

Added AssemblyFileVersion
Updated version file for 1.12

1.0.11

Moved settings from cfg file to settings page

1.0.10

Updated for KSP 1.8

1.0.9.1

Fixed Installchecker string

1.0.9

v1.0.9