Refactoring ui
More ui refactoring. Still a lot of work ahead.
Functional Call List and Call Flow panels
More ui rework and refactoring

* Improved pcpa file parsing
* Improved ui memory management
* Added wrappers for ui functions
* Adedd destructor for uis
* Fixed scroll arrows in Call List
* Moar moar moar
Reworked Call Raw scroll
Functional Call-Flow extended

Code style GNUK applied
Some documentation and cleanups
Implemented bacis ui and call locking
Fixed a bug in call raw scrolling

Removed percentage in call list screen when reached the bottom