RVM 1.26.3 released, fixed rvm get
and limited mksh
support
- RVM#3142 preparing for mksh
- RVM#3143 improved gemset copy help
- RVM#3146 pass on parameters for __rvm_cli_get_and_execute_installer
here are full changes: https://github.com/rvm/rvm/compare/1.26.2...1.26.3