Rename getTransactionNumber functions to match the getTransactionNumbers message.
Merge pull request #472 from benma/renamings

Rename getTransactionNumber functions to match the getTransactionNumbers...
fix: rename OTLog to Log
Merge pull request #474 from toxeus/fixOTLog

fix: rename OTLog to Log
OT_ME: use C API for register_nym()
Add params for return value and its length
Use wchar_t instead of char