revise typo
add exception handling
Change tombo
Change mitsubachi
change error message
Merge branch 'feature/add_exception_handling' into develop
Merge branch 'master' into release/mushikago-java-sdk-2.4.5
Merge branch 'release/mushikago-java-sdk-2.4.5'
Merge pull request #4 from miningbrownie/staging

Staging