Remove $theme_version property.

Using WP_Theme seems like a better way to handle this.

-/php/tags.php

@@ -143,18 +143,20 @@ public static function sort_webcomic_collections_updated( $a, $b ) {
 
 	/** Is a compatible version of Webcomic installed?
 	 * 
-	 * This is mostly useful for constructing Webcomic-ready themes to
-	 * verify that a compatible version of Webcomic is installed, but we
-	 * can also check for an arbitrary version by passing it via the
-	 * `$version` parameter.
+	 * This is mostly useful to verify that a compatible version of
+	 * Webcomic is installed when constructing Webcomic-ready themes,
+	 * but we can also check for an arbitrary version if necessary.
 	 * 
 	 * @param string $version Minimum version to check for. Defaults to the active themes version.
 	 * @return boolean
 	 * @uses Webcomic::$version
 	 * @uses Webcomic::$theme_version
 	 */
 	public static function webcomic( $version = '' ) {
-		$version = $version ? $version : self::$theme_version;
+		if ( empty( $version ) ) {
+			$theme   = new WP_Theme( get_stylesheet_directory(), '' );
+			$version = $theme->get( 'Webcomic' );
+		}
 
 		return ( $version and version_compare( self::$version, $version, '>=' ) );
 	}

webcomic.php

@@ -84,11 +84,6 @@ class Webcomic {
 	 */
 	protected static $collection = '';
 
-	/** Minimum Webcomic version supported by the active theme.
-	 * @var string
-	 */
-	protected static $theme_version = '';
-
 	/** Set class properties and register hooks.
 	 * 
 	 * @uses Webcomic::$dir
@@ -351,13 +346,8 @@ public function setup_theme() {
 			self::$collection = empty( self::$config[ 'collections' ][ $match[ 0 ] ] ) ? preg_replace( '/_(archive|webcomic|storyline|character)$/', '', array_search( $match[ 1 ], $permalinks ) ) : $match[ 0 ];
 		}
 
-		$theme = new WP_Theme( get_stylesheet_directory(), '' );
-
-		if ( $theme->get( 'Webcomic' ) ) {
-			self::$integrate = true;
-		} else {
-			self::$theme_version = $theme->get( 'Webcomic' );
-		}
+		$active_theme    = new WP_Theme( get_stylesheet_directory(), '' );
+		self::$integrate = !$active_theme->get( 'Webcomic' );
 	}
 
 	/** Email buffer alert notifications.