Adds start of turning the .csv files into a queryable database.
Merge remote-tracking branch 'upstream/master'
Adds file names for Ulrich and Ollik data tables.
Need to add more explicit import for abundance file and main file, the generalized import isn't working sufficiently. Adds import to database.
Generalizes import csv function to add datatype list for each dataset.
Queries for and outputs the communities with integer abundances in the form site ID, main datafile code, species, abundance.
Changes path to data directory, asks user for input.
Changes path to data directory, asks user for input.
Fixes missing slash in path name.
Merge pull request #54 from embaldridge/master

Starts working on script for the chapter 2 data.