Merge pull request cosmostation#18 from cosmostation/develop

Develop

Merge pull request cosmostation#15 from cosmostation/develop

Added a new msg type, "irishub/stake/BeginRedelegate"

Merge pull request cosmostation#12 from cosmostation/develop

Develop

Merge pull request cosmostation#9 from cosmostation/develop

Added setBech32MainPrefix codes to example.

Merge pull request cosmostation#8 from cosmostation/develop

Develop