Fix issue #283 - Add libsodium to travis-ci build
Merge pull request #284 from trevorbernard/master

Fix issue #283 - Add libsodium to travis-ci build
Tweak details of unit tests, expanding multiple steps to try to track down problems
Merge trunk changes to build libsodium
Decoding a Z85 block is returning NULL. Trying to figure out why
Get unit tests working again
Remove some debug logging