Support new engine for reloading of themes.

Still needs optimization and a progress indicators to show over view during reload so
that the user does not see an abrupt change in the view.

Classes/Headers/TVCLogController.h

@@ -37,10 +37,9 @@
 
 #import "TextualApplication.h"
 
-typedef BOOL (^TVCLogMessageBlock)(void);
+typedef id (^TVCLogMessageBlock)(void);
 
 @interface TVCLogController : NSObject
-@property (nonatomic, strong) NSString *html;
 @property (nonatomic, weak) IRCWorld *world;
 @property (nonatomic, weak) IRCClient *client;
 @property (nonatomic, weak) IRCChannel *channel;
@@ -69,7 +68,8 @@ typedef BOOL (^TVCLogMessageBlock)(void);
 @property (nonatomic, assign) NSInteger lastVisitedHighlight;
 @property (nonatomic, strong) NSMutableArray *highlightedLineNumbers;
 
-@property (strong) NSMutableArray *messageQueue;
+@property (strong) NSMutableArray *normalMessageQueue;  // Priority: Low
+@property (strong) NSMutableArray *specialMessageQueue; // Priority: High
 @property (assign) BOOL queueInProgress;
 
 - (void)setUp;
@@ -93,8 +93,9 @@ typedef BOOL (^TVCLogMessageBlock)(void);
 - (void)unmark;
 - (void)goToMark;
 
+- (void)clear TEXTUAL_DEPRECATED; // See IRCWorld.h for replacements.
+
 - (void)reloadTheme;
-- (void)clear;
 
 - (void)changeTextSize:(BOOL)bigger;
 

Classes/IRC/IRCWorld.m

@@ -156,7 +156,9 @@ - (void)setChannelMenuItem:(NSMenuItem *)item
 
 - (void)fireMessageQueue:(TVCLogController *)log
 {
-	if (log.messageQueue.count >= 25) {
+	if (log.normalMessageQueue.count >= 25 ||
+		log.specialMessageQueue.count >= 25) {
+
 		static dispatch_once_t once;
 
 		/* Not 100% sure dispatch_once is