Added two convenience functions for retrieving arguments
Added two convenience functions for retrieving arguments

klueska/cli,jgeewax/cli,txgruppi/cli,murdinc/cli,nathanleclaire/cli,txgruppi/cli,ykanda/cli,oiooj/cli,urfave/cli,oiooj/cli,masterlink720/cli,wendorf/cli,murdinc/cli,mikerpost/cli,codegangsta/cli,urfave/cli,pjvds/cli,cmars/tools,klueska/cli,mikerpost/cli,nodirt/cli,phinnaeus/cli,w4ngyi/cli,0111001101111010/cli,kohkimakimoto/cli,0111001101111010/cli,motain/cli,murdinc/cli,minio/cli,keybase/cli,minio/cli,langri-sha/cli,codegangsta/cli,nathanleclaire/cli,cmars/tools,pjvds/cli,cmars/tools,keybase/cli,jgeewax/cli,squillace/cli,ykanda/cli,nodirt/cli,motain/cli,squillace/cli,cmars/tools,langri-sha/cli,minio/cli,phinnaeus/cli,w4ngyi/cli,zenoss/cli,pjvds/cli,DirtyHairy/cli,DirtyHairy/cli,phinnaeus/cli,ykanda/cli,masterlink720/cli