Only show sections which contain installable modules.
module_installed check shouldn't use egrep pattern.
Merge pull request #45 from cavalier38/status-fix

module_installed check shouldn't use egrep pattern.
Merge pull request #44 from cavalier38/lunar-module-add

Only show sections which contain installable modules.
Unalias dependency in in_depends()
Merge pull request #46 from Ratler/in_depends_unalias

Unalias dependency in in_depends()