Release 3.3.0.

Signed-off-by: Edward Z. Yang <edwardzyang@thewritingpot.com>

TODO

@@ -21,7 +21,7 @@ afraid to cast your vote for the next feature to be implemented!
 FUTURE VERSIONS
 ---------------
 
-3.3 release [It's All About Trust] (floating)
+4.1 release [It's All About Trust] (floating)
  # Implement untrusted, dangerous elements/attributes
  # Implement IDREF support (harder than it seems, since you cannot have
    IDREFs to non-existent IDs)
@@ -29,11 +29,11 @@ FUTURE VERSIONS
  - Implement <area>
  - Figure out how to simultaneously set %CSS.Trusted and %HTML.Trusted (?)
 
-3.4 release [Error'ed]
+4.2 release [Error'ed]
  # Error logging for filtering/cleanup procedures
  - XSS-attempt detection--certain errors are flagged XSS-like
 
-3.5 release [Do What I Mean, Not What I Say]
+4.3 release [Do What I Mean, Not What I Say]
  # Additional support for poorly written HTML
     - Microsoft Word HTML cleaning (i.e. MsoNormal, but research essential!)
     - Friendly strict handling of <address> (block -> <br>)
@@ -48,7 +48,7 @@ FUTURE VERSIONS
    dupe detector would also need to detect the suffix as well)
  - Externalize inline CSS to promote clean HTML, proposed by Sander Tekelenburg
 
-4.0 release [Beyond HTML]
+5.0 release [Beyond HTML]
  # Legit token based CSS parsing (will require revamping almost every
    AttrDef class). Probably will use CSSTidy class?
  # More control over allowed CSS properties using a modularization
@@ -58,7 +58,7 @@ FUTURE VERSIONS
  - Convert RTL/LTR override characters to <bdo> tags, or vice versa on demand.
    Also, enable disabling of directionality
 
-5.0 release [To XML and Beyond]
+6.0 release [To XML and Beyond]
  - Extended HTML capabilities based on namespacing and tag transforms (COMPLEX)
     - Hooks for adding custom processors to custom namespaced tags and
       attributes, offer default implementation