1.0:
* Merged a whole bunch of patches from Sergey Vinokurov. Copy paste from
<https://github.com/elaforge/fast-tags/pull/6>:
* recognize more syntactic constructs (consider tests as specification of
what's handled)
* add more tests
* use tasty to organize tests
* ability to produce emacs tags
* handling of literate files
* new mode to recursively traverse directory tree and search for haskell files
* optionally ignore encoding errors during reading and skip offending files
* ability to read \n-separated or \0-separated list of files from stdin
and blazing-fast speed of tag generation is presevred
0.0.6:
* fix bug where class context in a class's methods would be confused for the
context of the class itself
0.0.5:
* Tags with the same name are sorted by their type: Function, Type,
Constructor, Class, Module.
0.0.4:
* Fixed bug that prevented old tags from being filtered out.
0.0.3:
* Lots of speed ups, especially when given lots of files at once.
* Support for type families and GADTs.
* Support infix operators, multiple declarations per line, and fix various
other bugs that missed or gave bad tags.