make content variable's keys order sensitive
add test on order sensitivity of content variable keys
fix indentation
added support+test case for foreign language characters
added test case for foreign language chars in movilgate transport
Merge branch 'develop' into feature/content_variable_tables
enable customized message on 3 keys
renaming variable in test
add test on content variable model
Merge branch 'feature/content_variable_tables' into develop
Merge branch 'develop' into feature/foreign_language_validation
test_sendng_one_sms_ok failing
missing transport metadata in test message
fixed failing test test_sending_one_sms_ok
fix encode/decode content of messages
fixed failing test test_generate_mtrequest_foreign_language
fix message content encoding is unicode
Merge branch 'feature/foreign_language_validation' into develop
merged develop into branch