Packets' in-memory storage format change

Ported packets from HashMaps (stupid) to its own class ('Packets')
Developer-specific test-classes to gitignore

test__*.*
try__*.*
__*.*
Reassigned component to developers
Reader.java is the app-class

It contains the main method for the current (console-oriented) app
Get rid of string field-names
Field names: less dependant on string counterparts
Field names: less dependant on string counterparts
Sensible .gitignore