Added version as a command line parameter
Added version as a command line parameter

Use -v or --version

zhengzhihust/howdoi,prasadph/howdoi,Xuefeng-Zhu/howdoi,godfreyy/howdoi,Xuefeng-Zhu/howdoi,kv9699/howdoi,godfreyy/howdoi,q1ang/howdoi,stallman-cui/howdoi,kv9699/howdoi,jasonfellows/howdoi,stallman-cui/howdoi,JackNokia/howdoi,allengaller/howdoi,q1ang/howdoi,gleitz/howdoi,nju520/howdoi,nju520/howdoi,gleitz/howdoi,wujinbin/howdoi,jasonfellows/howdoi,wujinbin/howdoi,zhengzhihust/howdoi,prasadph/howdoi,allengaller/howdoi,JackNokia/howdoi