fixed README typo
added exception for adding data when bins have not been set
extracted bin mapping algorithm to separate method so that it can be optimized and reused
updated doc blocks
removed unnecessary variable in data value assignment
added DataBinner and basic test
added preloader and tests for data binner
added test for data binner in online mode
updated preload in databinner so that the bins are set automatically when using old results
updated histogram so that bins do not have to be set when using preloaded results
Merge pull request #1 from thominj/v0.0.1

V0.0.1