LICENSE Update + 1.2 A40+ release

Merge pull request #13 from bitrate16/refactor-to-peripage

Refactor to peripage

Update README for raspberry pi

v0.3

Fixed printASCII duplicating newline,
Fixed requirements.txt,
Fixed -i, -t options ignored,
Added qr code printing function,
Updated description for getDeviceFull with info about side effects.

Fixed issue #2

Add function printASCII, printlnASCII that will safety handle print requests

Update README.md

Absolute urls