Add POD and fix typos to get POD coverage up

lib/WebGUI/Cache/FileCache.pm

@@ -137,7 +137,7 @@ sub getFolder {
 
 #-------------------------------------------------------------------
 
-=head2 getNamepsaceRoot ( )
+=head2 getNamespaceRoot ( )
 
 Figures out what the cache root for this namespace should be. A class method.
 

lib/WebGUI/Content/SiteIndex.pm

@@ -88,6 +88,17 @@ sub handler {
 }
     
 #-------------------------------------------------------------------    
+
+=head2 formatXML ( content ) 
+
+Escape XML entities, &, <, >, ' and ".
+
+=head3 content
+
+The content that will have XML entities escaped.
+
+=cut
+
 sub formatXML {
 	my $content = shift;
 	$content =~ s/&/&amp;/g;

lib/WebGUI/Form/Captcha.pm

@@ -182,6 +182,12 @@ sub toHtml {
     return $self->SUPER::toHtml.'<p style="display:inline;vertical-align:middle;"><img src="'.$storage->getUrl($filename).'" style="border-style:none;vertical-align:middle;" alt="captcha" /></p>';
 }
 
+=head2 getErrorMessage ( )
+
+Returns an internationalized error message based on which kind of captcha is being used.
+
+=cut
+
 sub getErrorMessage {
     my $self = shift;
     my $session = $self->session;