Merge branch 'release-2.0' into develop

Changes:
- Implement dere side
    - Directories can be converted to symlinks and tagged
    - If hitagifs is moved, will rebuild symlinks
- Fix bugs
Bump version
Merge branch 'hotfix-0.2' into develop
Fix bug: variable mismatch
Fix bug: sanitize input
Fix bug: sanitize path
Fix bug: unlinking directory
Refactor out repeated code
Fix bug: can't check samefile if unlinked
Change docstring
Hoist code
Change docstring
Add rtypes
Add docstrings
Add listpaths()
Fix roles (:cls: > :class:)
Change docstring
Move some _fix_move code
Add abspath for paranoia
Access class attr implicitly instead