Put view functionality into controller
Change View

Add row for File's size to MetaTable, vertical alignment Cell widgets
Fix bugs in Core

in 2 custom methods argument "prev" now is tuple and list (not string
like before)
Make complete functionality thread
Work with Main module

Handle signals, make methods for write down results etc.
Optimize Thread, improve timer

Progress and timers update now not within Thread but within timer (every
1 sec)
Improve Stop/Pause functions and closeEvent
Some minor changes
Some bugs fix