Replace hard-coded Python path

Also fix a Python 3-related bug that is revealed by this.
Direct errors to standard error
Drop Unicode exceptions

Reporting them will overwhelm the user. It will report errors on all the
"pyc" files for example.
Update tests to account for standard error change
Merge pull request #14 from myint/shebang

Replace hard-coded Python path
Split on some more punctuation.

Added <, > and / to the chars to split on. This allows HTML and XML to
be spell-checked. Previously any word at a tag boundary (in or out of
it) would be ignored.
Add more words.

Contributed patch adding more words.
Rebuild example word file so tests pass.
Ignore certain binary files.
Updated info on code locations.
Sync with Wikipedia, add "wether" and "seperator".

New words from wikipedia via Ville Skyttä.
Exclude *.a and SCM internal dirs.

via Ville Skyttä.
Bump the version; do a release.
Fix travis links.
Added info for sourceforce site.