NimPlant v1.2

[chvancooten]

New features

• Add command tab completion to GUI (in addition to arrow keys)

Enhancements

• Add Nimplant info to download gui
  • Closes #12
• Improve error handling for 'cleanup' command
• Tweak small navbar size to avoid wrapping
• Remove winim manifest file

Bugfixes

• Implement workaround for broken copyFile in Nim stdlib
  • Fixes #11
  • Also see upstream: https://github.com/nim-lang/Nim/issues/21504)
• Fix incorrect path normalization with cd command
  • Closes #10

Oher

• Bump Python requirement versions