EventHandler for event when textbox content changes was missing, fixed. New input is now formatted correctly, checked if it needs to be colored, and it persists correctly
Checklist
[x] Remove debugging artifacts (if needed)
[x] Rebuild the Setup_Hive.exe
[ ] Update Hive Wiki (if needed)
[x] Update InformationalVersion attribute in Hive.IO/Properties/AssemblyInfo.cs (if it's a new release)
Issues
Closes #753
Description
Checklist