0.5.0

• Added user key bindings support (#42).
• Introduced $fisher_update_interval to determine if the index should update or not during a search query (#43).
• Improved fisher search by removing features already covered by fisher --list.
• Enhanced install, uninstall, update status output.
• Improved fisher list to enumerate packages from the cache, fishfile/bundle, and packages that are either installed/enabled or disabled.
• Renamed __fisher_parse_help to __fisher_complete and modified the function to create completions automatically.
• Use __fisher_index_update when building the file with Make to prevent errors when using fish <2.2.0 (#55 #50 #48).
• Removed the previously undocumented fisher update --index.
• Added fisher --list=url option to display local package URL or path.
• Added fisher --list=bare option to display local packages in the cache without the * enabled symbol.