v3.4 - BETA 1

This is a beta release
This release comes with many improvements:

New features

• Ignore Files, decreases counts by ignoring files based on their path, thanks to @tehniemer in #104
• Improve check logic to detect a previous unfinished sync or other problems.
• Add the option to execute the last custom hook before spinning down drives by @DonkeeeyKong

Fixes and improvements

• Minor code improvements thanks to @StephenWetzel
• Other minor code improvements
• Fix the update threshold function when 0 files are updated by @selfishbrat
• Version check logic improvements by @tehniemer
• Skip dependencies check on non-Debian based distros by @StephenWetzel
• Improve mailx version handling by @StephenWetzel + me
• Improve handling of large counts by @desertwitch
• Trim modified file warnings by @Izumiko