refactor makemead input parameter validation
refactor makemead input parameter validation

thauser/pnc-cli,janinko/pnc-cli,janinko/pnc-cli,thauser/pnc-cli,project-ncl/pnc-cli,thauser/pnc-cli,janinko/pnc-cli,project-ncl/pnc-cli,project-ncl/pnc-cli