implement AT+CGML + test
state source of PDUs
fix double return
adding list-sms command line option
shuffling files around to allow testing for TxGSMServiceMaker
renaming testcase to match protocol.py
testing send_sms from service
test for list-sms command
pep8 / pyflakes fixes
test for service ussd_session
test for probe-modem
remove unused class in protocol.py
Merge branch 'feature/issue-1-read-sms-inbox' into develop
bump version
Merge branch 'release/0.1.3' into develop