user filter which takes precedence over htmlize-buffer if set
pass the original buffer to the user function, for more flexibility
set 'htmlize-buffer as the default user function
clean up after htmlize-buffer
README updated
closing bracket on html, README fix
default-user-filter renamed to imp--default-filter
notify clients when user filter gets set or removed
imp-toggle-htmlize fix
with-temp-buffer as proposed by Brian
Make variables buffer local immediately.
Fix up imp-set-user-filter.
Give imp--default-filter a public name again.
Drop the extra user-filter temp buffer.
Fixup imp-remove-user-filter and imp-toggle-htmlize.
Allow nil to be passed to imp-set-user-filter.
Merge pull request #13 from danielsz/user-filter

user filter which takes precedence over htmlize-buffer if set
Merge remote-tracking branch 'skeeto/user-filter'