Merge branch 'master' of github.com:mastercoin-MSC/mastercoin-tools into fix-tmsc
Keep up to date with spec changes: https://github.com/mastercoin-MSC/spec/pull/221
Merge remote-tracking branch 'msc/master' into add-checks
Add prop check
Merge pull request #75 from faizkhan00/add-checks

Add checks