Add jedi-direx:hide-imports option
Add jedi-direx:setup for jedi-mode-hook

fixes #8, #9, #11
Refactor filtering to jedi-direx:-filter-cache function
Merge pull request #13 from tkf/jedi-direx-setup

Add jedi-direx:setup for jedi-mode-hook
Merge pull request #12 from immerrr/add-hide-imports-option

Add jedi-direx:hide-imports option