zsh completion: fix doubling up of specific variables

-i -y -u -d -s etc, so that they do not disappear

In the future I hope there is an easy way to limit it to just 2, right
now the *- makes it so that it can be added as many times as you want.

Signed-off-by: Daniel Wallace <danielwallace@gtmanfred.com>
Signed-off-by: Allan McRae <allan@archlinux.org>
zsh completion: include flags that can be doubled

include the flags that could be doubled up like -Sii -Syy -Suu -Qii etc
also include the long opts of all the commands

Signed-off-by: Daniel Wallace <danielwallace@gtmanfred.com>
Signed-off-by: Allan McRae <allan@archlinux.org>
zsh completion: add support for all longopts commands

add all the longopts for the operations and allow for them to be
completed just like shortopts

Signed-off-by: Daniel Wallace <danielwallace@gtmanfred.com>
Signed-off-by: Allan McRae <allan@archlinux.org>