Merge tag 'v1.0.43' into develop

v1.0.43 - Implemented support for optedOut devices; pushing to Inbox only
[#193][dev] - Implemented support for creating, updating and deleting users; updating own password
[#193] - Implemented support for retrieving message details and updating scheduled messages
[#versionBump] - v1.0.44
Merge branch 'release/1.0.44'