v0.1.2

Refactor

• Improve code documentation #38
• Improve validation 9b32315 eb8cdef 0980294
• Photo: status_message_guid is optional 4136fb9
• A GUID is at most 255 chars long f7d269c
• hCard: nickname is optional 4b94949
• StatusMessage: Rename raw_message to text 2aaff56 #29

Bug fixes

• Do not reuse cURL sockets to avoid issues caused by too many simultaneous connections #37
• Handle empty xml-elements for nested entities 26b7991
• Gracefully handle missing xml elements of relayables 9097097