* Change version attributes and semantics. Before: had a `_version_` tuple. After: `__version__` is a string, `__version_info__` is a tuple.
1.0.3
* Move hosting of `which.py` to trentm.com. Tweaks to associated bits (README.txt, etc.)
1.0.2
* Rename mainline handler function from `_main()` to `main()`. I can conceive of it being called from externally.
1.0.1
* Add an optimization for Windows to allow the optional specification of a list of exts to consider when searching the path.
1.0.0
* Simpler interface: What was which() is now called whichgen() -- it is a generator of matches. The simpler which() and whichall() non-generator interfaces were added.
0.8.1
* API change: 0.8.0's API change making "verbose" output the default was a mistake -- it breaks backward compatibility for existing uses of which in scripts. This makes verbose, once again, optional but NOT the default.