Fix PEP 8 Errors, Fix Bugs, Rewrite STDIN code

Fixed a bunch of PEP8 Errors, rewrote the htmlify_stdin
code to actually work under the new system (pep8 caught that
it didn't work), fixed a case of missing code in the html_filter
(the code was in the passthrough_filter only)
Fix Bug in Date Anchor IDs

Fixed bug in date anchor ids where anchor ids weren't
having spaces and special characters filtered out