updating read_stan_csv() so it doesn't require the time information at the end of the csv file
added unit test for read_stan_csv() with an incomplete header file
Merge branch 'develop' into feature/issue-68-read_stan_csv
updating stan to current develop
updating test
splitting tests into separate files
adding test file
updating pattern rules for tests
updating stan_csv.R so that it handles 0 iterations properly.
Merge pull request #69 from stan-dev/feature/issue-68-read_stan_csv

Feature/issue 68 read stan csv