Bump minor version number to 4.4.0.

Signed-off-by: Edward Z. Yang <ezyang@mit.edu>

NEWS

@@ -9,7 +9,7 @@ NEWS ( CHANGELOG and HISTORY )                                     HTMLPurifier
     . Internal change
 ==========================
 
-4.3.1, unknown release date
+4.4.0, unknown release date
 # URI.Munge now munges URIs inside the same host that go from https
   to http.  Reported by Neike Taika-Tessaro.
 # Core.EscapeNonASCIICharacters now always transforms entities to

TODO

@@ -27,7 +27,7 @@ Things to do as soon as possible:
 FUTURE VERSIONS
 ---------------
 
-4.4 release [OMG CONFIG PONIES]
+4.5 release [OMG CONFIG PONIES]
  ! Fix Printer. It's from the old days when we didn't have decent XML classes
  ! Factor demo.php into a set of Printer classes, and then create a stub
    file for users here (inside the actual HTML Purifier library)

library/HTMLPurifier/ConfigSchema/schema/HTML.AllowedComments.txt

@@ -1,6 +1,6 @@
 HTML.AllowedComments
 TYPE: lookup
-VERSION: 4.3.1
+VERSION: 4.4.0
 DEFAULT: array()
 --DESCRIPTION--
 A whitelist which indicates what explicit comment bodies should be

library/HTMLPurifier/ConfigSchema/schema/HTML.AllowedCommentsRegexp.txt

@@ -1,6 +1,6 @@
 HTML.AllowedCommentsRegexp
 TYPE: string/null
-VERSION: 4.3.1
+VERSION: 4.4.0
 DEFAULT: NULL
 --DESCRIPTION--
 A regexp, which if it matches the body of a comment, indicates that

library/HTMLPurifier/ConfigSchema/schema/HTML.SafeIframe.txt

@@ -1,6 +1,6 @@
 HTML.SafeIframe
 TYPE: bool
-VERSION: 4.3.1
+VERSION: 4.4.0
 DEFAULT: false
 --DESCRIPTION--
 <p>

library/HTMLPurifier/ConfigSchema/schema/HTML.TargetBlank.txt

@@ -1,6 +1,6 @@
 HTML.TargetBlank
 TYPE: bool
-VERSION: 4.3.1
+VERSION: 4.4.0
 DEFAULT: FALSE
 --DESCRIPTION--
 If enabled, <code>target=blank</code> attributes are added to all outgoing links.

library/HTMLPurifier/ConfigSchema/schema/URI.SafeIframeRegexp.txt

@@ -1,6 +1,6 @@
 URI.SafeIframeRegexp
 TYPE: string/null
-VERSION: 4.3.1
+VERSION: 4.4.0
 DEFAULT: NULL
 --DESCRIPTION--
 <p>