Added three new planets. Source: http://arxiv.org/abs/1405.2127
closes #206
GU Psc added. Source: http://iopscience.iop.org/0004-637X/787/1/5/
corrected date
typos fixed
Added aliases to multiple planets.
Added additional identifiers to planets
Added more identifiers, fixed typo.
Added additional planet identifiers
Added yet more identifiers.
Added xi Aql b.
 http://pasj.asj.or.jp/v60/n3/600314/600314-frame.html
 closes #225
Added WASP-103 b.
 http://www.aanda.org/articles/aa/abs/2014/02/aa23014-13/aa23014-13.html
 closes #224
Minor formating fix to xi Aql
Added omi UMa b and omi CrB b
 http://arxiv.org/abs/1207.3141
 closes #221