Changelog of @hackage/is 0.2

--change-log--

2014-11-23 Víctor López Juan victor@lopezjuan.com * Version 0.2 * Declare predicates from constructors of a data type

2014-11-20 Víctor López Juan victor@lopezjuan.com * Version 0.1 * Implement functions 'is(Not)?P?' * A few test cases * Short documentation