Merge pull request #52 from bjornstar/develop

Update readme to include new API methods.
Merge pull request #53 from bjornstar/develop

v0.0.11: Added an 'is' method to indicate whether or not a Tome is obser...
Merge pull request #54 from bjornstar/develop

v0.0.12 - Changed readable to only emit what a primitive value was
fixed typo it's -> its.
Merge pull request #55 from bjornstar/master

typo