Added Menu

• fixed: some minor fixes
• added: recursive search for files
• added: menu, so u can choose with which part you can start (on first start u see the main config)
  

Version 1.2.0

• Added new function: Remove source videos after splitting
• fixed: cleanup function
• fixed: videos with long and / or whitespaces in names
• fixed: console output

Improved functional, some fixes

• Better file control
• fixed issue with settings saving
• Removed unused libraries and dependencies
• some more fixed I didn't noted...