Issue #241 Zsh autocompletion for arguments
Issue #241 Zsh autocompletion for arguments

Add missing long options to autocompletion, and autocomplete arguments
to command-line options.

DorianGray/busted,ryanplusplus/busted,istr/busted,mpeterv/busted,leafo/busted,sobrinho/busted,o-lim/busted,xyliuke/busted,Olivine-Labs/busted,nehz/busted