do not call storeData every time a new calc is done because it is very slow; only periodic calls are made
lineData is a dataframe now rather than a dict to maintain consistency of data types
dummy plot object for debugging purposes
Major refactoring to optimize several performance issues. Primarily this had to do with eliminating redundant creation and element-wise assignment of pandas dataframes
Merge branch 'master' of http://github.com/johngergely/conductor