Fancier 'a'/'an' choices for words that start with 'u'
#changelog

The list of ill-conceived heuristics grows!  Basically we look for the prefix
uCV (uni, usi, usu) as a sign that the word starts with a semivowel (?) u and
not a vowel u (ush, urg)
A simple README (mostly for travis indicator).
Default/stub Travis configuration file.
Bump version to 0.1.5.0.