Fix cache-control max-age header parsing

Closes gh-109

@@ -303,6 +303,7 @@ static NSString *permanentCacheFolder = @"PermanentStore";
 		NSString *cacheControl = [[cachedHeaders objectForKey:@"Cache-Control"] lowercaseString];
 		if (cacheControl) {
 			NSScanner *scanner = [NSScanner scannerWithString:cacheControl];
+			[scanner scanUpToString:@"max-age" intoString:NULL];
 			if ([scanner scanString:@"max-age" intoString:NULL]) {
 				[scanner scanString:@"=" intoString:NULL];
 				NSTimeInterval maxAge = 0;

@@ -24,7 +24,7 @@
 #import "ASIDataCompressor.h"
 
 // Automatically set on build
-NSString *ASIHTTPRequestVersion = @"v1.8-14 2010-12-02";
+NSString *ASIHTTPRequestVersion = @"v1.8-15 2010-12-04";
 
 NSString* const NetworkRequestErrorDomain = @"ASIHTTPRequestErrorDomain";
 

@@ -237,6 +237,21 @@
 	}
 }
 
+- (void)testMaxAgeParsing
+{
+	[[ASIDownloadCache sharedCache] clearCachedResponsesForStoragePolicy:ASICacheForSessionDurationCacheStoragePolicy];
+	[[ASIDownloadCache sharedCache] setDefaultCachePolicy:ASIUseDefaultCachePolicy];
+	ASIHTTPRequest *request = [ASIHTTPRequest requestWithURL:[NSURL URLWithString:@"http://asi/ASIHTTPRequest/tests/cache-control-max-age-parsing"]];
+	[request setDownloadCache:[ASIDownloadCache sharedCache]];
+	[request startSynchronous];
+
+	request = [ASIHTTPRequest requestWithURL:[NSURL URLWithString:@"http://asi/ASIHTTPRequest/tests/cache-control-max-age-parsing"]];
+	[request setDownloadCache:[ASIDownloadCache sharedCache]];
+	[request startSynchronous];
+	BOOL success = [request didUseCachedResponse];
+	GHAssertTrue(success,@"Failed to use cached response");
+}
+
 - (void)testCustomExpiry
 {
 	[[ASIDownloadCache sharedCache] clearCachedResponsesForStoragePolicy:ASICacheForSessionDurationCacheStoragePolicy];