Add: I/O module - player and streamreader.
Add: dataset module - config struct.
Mod: fix bug in player trackBar. And test player.
Mod: fix bug in dataset config. And test.
Add: core - data structures definition.
Add: core - basic visualizer.
Add: dataset - inspector and xml files handler(I/O).
Mod: redesign tests.
Add: utils - inline helper functions.