zsh/jo: Defer -options to j
Remove the mention of tests from development.md

because tests have been removed
Remove tests from Makefile
Fix escaping issues in the docs

Pandoc treats both underscores and dollar signs as non-literal
characters which screwed up the manpage.
Merge pull request #236 from mineo/jo-options

zsh/jo: Defer -options to j
Merge pull request #237 from mineo/no-more-tests

Remove further mentions of tests
Merge pull request #238 from mineo/man-fixes

Fix escaping issues in the man pages via pandoc generation. However this change introduces a few extra characters into README.md.
rename argparse library
add legacy migration
implement load, backup, and save data functionality
simplify unicode encode/decoding
add unicode helpers back
finished add directory, stats, remove bad entries
add increase directory weight
add decrease_path
add purge feature
handle missing current directory errors
exact match with single argument finished
overwrite old autojump
add multiple argument exact match support