Mint 0.7.7 

Mint 0.7.6 

Mint a newer version 

mark one more test as optional 

version bump, add directory dependency only to tests, typo 

better instructions, create /tmp/imgs if needed 

Minor readme update 

Bump to 0.7.0; upgrades for new matplotlib, new GHC, and scipy 

bump to 0.5.0 

update example line numbers