moving cache creationg into its own function
was having trouble with NaNs from missing closing prices
removing relative import
catching another error, making cache paths absolute
Don't want to kill 'production' db when testing.'
moving non-core modules.
Create README.md
learning markdown
cleaning up readme.
adding missing line to hello world
adding blog link to readme
tweaking readme
removing unused imports
mostly a bunch of tests
another test
coming to terms with writing a time-series database
caching tests pass.
get_prices is a function
price cache is functional
ensuring mongo indexes