Reset special_commands datastructure.
Reset special_commands datastructure.

j-bennet/pgcli,nosun/pgcli,yx91490/pgcli,lk1ngaa7/pgcli,MattOates/pgcli,TamasNo1/pgcli,suzukaze/pgcli,dbcli/pgcli,koljonen/pgcli,johshoff/pgcli,dbcli/vcli,n-someya/pgcli,dbcli/vcli,darikg/pgcli,bitemyapp/pgcli,darikg/pgcli,koljonen/pgcli,w4ngyi/pgcli,d33tah/pgcli,bitmonk/pgcli,suzukaze/pgcli,MattOates/pgcli,d33tah/pgcli,joewalnes/pgcli,johshoff/pgcli,dbcli/pgcli,yx91490/pgcli,zhiyuanshi/pgcli,j-bennet/pgcli,nosun/pgcli,zhiyuanshi/pgcli,TamasNo1/pgcli,thedrow/pgcli,janusnic/pgcli,bitmonk/pgcli,n-someya/pgcli,janusnic/pgcli,w4ngyi/pgcli,lk1ngaa7/pgcli,thedrow/pgcli,joewalnes/pgcli,bitemyapp/pgcli