Merge pull request #28 from sheeley/epc-parse

Add SGTIN-96 support
note on licensing
+Travis
update travis config
fix travis run with a little more test mockage
travis status badge
Improved Reading and Writing to Tag

Can now filter which tags are accessed using C1G2TargetTag
Can now specify location and number of bytes to read
Fixing off by one error
Variable Rename
Allow OpSpecID to be set
Merge pull request #30 from ewfuentes/improvedReadWrite

Improved read write to tags
add MC9190-Z to reader list
Merge branch 'master' of github.com:ransford/sllurp into epc-parse