Merge develop into master
Created by: tycohen
• New methods for pta.PTA • Bug fixes in get_pulsars.py • Add checkRMS.py • Maintain consistency with FrequencyOptimizer • Add test to test_sigmas.py
Created by: tycohen
• New methods for pta.PTA • Bug fixes in get_pulsars.py • Add checkRMS.py • Maintain consistency with FrequencyOptimizer • Add test to test_sigmas.py