Some additions to your GS1 parser

[tullioandreatta]

Content:

1. Upgraded AI to release 19
2. Improved AI search (use a search tree -> O(1) )
3. Customizable separator character sequence (barcode reader in keyboard emulation mode cannot send reliably \u001d to web application)

[tmattsson]

Wow, thanks, great additions. Will have a look and merge it in.

[flozano]

Any chance these will be merged? some look very useful to me!