v0.4.6

Important notes:

• if you have Notepad Next v0.4.0 or older installed, you should manually uninstall it first.

Changelog:

• Fix saving file not renaming editor tab
• Fix default file paths for saving/opening files
• Fix 'Copy Full Path'
• Fix crash when having 2 files open with the same name
• Other various code cleanup

Full Changelog: v0.4.5...v0.4.6