Merge pull request dashpay#59 from dashpay/develop Release Sentinel v1.3.0

Merge pull request dashpay#51 from dashpay/develop release Sentinel version 1.2.0

Merge pull request dashpay#27 from dashpay/bump-version bump version to 1.1.0

catch decimal format error (dashpay#22) 

Sentinel v1.0.1 

reference dashpay repo now (#1)