lab1p2 update: optionQuotes - verifying table data
lab1p2 update: getCurrPrice - able to parse
lab1p2 update: dateUrls - able to parse
lab1p2 update: optionQuotes - able to parse

accomplished:
1. reading in get/put option and adding to list of lists
2. converted list of lists to list of dicts

good stuff:
* error checking for 'list of lists' and 'list of dicts'
  simple verification that all lists and dict key-value pairs are of same size

incomplete TODO:
1. replace AAPL7.* with AAPL7
2. dump dict to json
lab1p2 update: updating header values

accomplished:
1. changing 'Chng' to 'Change' and 'Open Int' to 'Open'
lab1p2 update: implementing mini-contract spec

accomplished:
1. added 'def replaceValues' to find/replace a given column
lab1p2 update: found potential json conversion command