NF: handle import/install of sparcl R pkg
TST: added framework for testing
TST: add more tests structure, run_command test
TST: add get_sparcl_dir test, and arg to sample_data funtion
TST: added sample_data test
BF: modify code for correct lib_loc for sparcl, fix typo, add sparcl install test
Added doc folder with articles, added dependencies to README
Begin splitting main(), created new function run_clustering()
Continue splitting main(), created new function classify_subjects()
Finish splitting main(), created new function save_results() and new main()
Rename sampdata and unsampdat to traindat and testdat
Merge pull request #3 from jelman/split_main

Split_main
Added doc folder with articles