Merge pull request #18 from mastercoin-MSC/master

Merge stuff
Merge pull request #19 from mastercoin-MSC/master

Merge stuff
Merge pull request #20 from mastercoin-MSC/master

Merge stuff
Merge pull request #21 from mastercoin-MSC/master

Merge stuff
Issue 242
Merge pull request #559 from sagyeli/Issue_242

Issue 242