Modify EOS_CAPTURE_RETHROW to capture all type of exceptions

Improve error message for eosioc get table

Improve eosioc get block error message

Improve error message for eosioc get accounts

Improve error message for eosioc get transaction

Add more clarity to the existing error messages

Improve eosioc get transactions error message

Improve error message for eosioc set action permission

Fix duplicate error code

Improve eosioc wallet error message

Force get currency to require subcommand

fix missing error code