Range header not handled correctly

When a client requests a byte-range with the Range header, the response contain one byte less than the requested range.

Per the spec, the byte at the second index is included. The following example should return two bytes instead of one.

This impacts all iPhone downloads with the new iTunes app which requires and checks byte-range handling.

GET /download/podcast/TheLairEpisode16.mp3 HTTP/1.1
Host: thelairpodcast.com
Range: bytes=0-1
X-Playback-Session-Id: E2D24D9C-0EED-4408-AA01-04DE278ABF55
Accept-Encoding: identity
Accept: */*
Connection: keep-alive
Accept-Language: en-us
User-Agent: AppleCoreMedia/1.0.0.10B329 (iPhone; U; CPU OS 6_1_3 like Mac OS X; en_us)

HTTP/1.1 206 Partial Content
Date: Tue, 26 Mar 2013 03:40:47 GMT
Server: Apache
Cache-Control: must-revalidate, max-age=10
Content-MD5: 8px8VXqMHOTDyBEdXTUKOw==
ETag: "f29c7c557a8c1ce4c3c8111d5d350a3b"
Accept-Ranges: bytes
Last-Modified: Sat, 09 Mar 2013 00:21:39 GMT
Content-Length: 1
Content-Range: bytes 0-0/93828292
Cache-Control: max-age=31536000
Expires: Wed, 26 Mar 2014 03:40:47 GMT
Vary: User-Agent
Keep-Alive: timeout=2, max=100
Connection: Keep-Alive
Content-Type: audio/mpeg

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