Added verbose output for the resty command; if -v is specified then r…

…esty prints saved curl options along with the current URI base.

updated the docs

Fixes michagh-23 where 'which' was printing error messages when $EDIT…

…OR is not defined

This should fix issue michagh-21. Shift was being called in zsh witho…

…ut checking if $# was positive.

removed support for curl's -q option in favor of resty's shadowed ver…

…sion

Fixed issue micha#18, where the resty command would not set url in zsh

Fixed issue where @- was being incorrectly appended to PUT/POST data

added capability to store default curl options when calling resty fun…

…ction

fix zsh array declaration that was preventing curl options from being…

… passed in zsh

fix bad 0 subscript in zsh array assignment (issue 14)