Merge pull request #20 from gwagener/master

Fixed declaration to match implementation

Author: jakemarsh

JMImageCache.h

@@ -37,7 +37,7 @@
 - (void) setImage:(UIImage *)i forKey:(NSString *)key;
 - (void) setImage:(UIImage *)i forURL:(NSURL *)url;
 - (void) removeImageForKey:(NSString *)key;
-- (void) removeImageForURL:(NSString *)url;
+- (void) removeImageForURL:(NSURL *)url;
 
 - (void) writeData:(NSData *)data toPath:(NSString *)path;
 - (void) performDiskWriteOperation:(NSInvocation *)invoction;