Updated WASP20 and WASP28. Source: http://arxiv.org/abs/1402.1482.
Closes #99
Added Kepler-413 to binary list
Added automatic binary list check to cleanup script
Replace masses of Kepler-23b and c by upper limits
Merge pull request #100 from migueldvb/kepler

Replace masses of Kepler-23b and c by upper limits
Added upper limits on the masses of Kepler-24 b and c

Closes #101
Merge pull request #102 from migueldvb/kepler

Added upper limits on the masses of Kepler-24 b and c