TESTS:
- Test disconnection

BUGS:
- On date change, response is overwritten by previous query, trimming needed according to numBytes

TODO:
- Incident class
- Incident parser
- A3 command
- Channels and codes to 2 ciphers
- Add landscape layout and inverted layout
- Month/Year headers on sale list

- Batch command files, definition, parsing and pushing them to the app
- Implement user auth. Server authenticates the app ONCE on install and allows to control ONE machine (key gets validated on server and then stored on app)
- Implement master key.
- App in background operations (scan and connect, if success get maintenance and sales data and send it)