Fixing mime parsers (#580)

mime parser cleanup

tests/cassettes/test_parser[gfycat].yaml

@@ -5,24 +5,24 @@ interactions:
       Accept: ['*/*']
       Accept-Encoding: ['gzip, deflate']
       Connection: [keep-alive]
-      User-Agent: [python-requests/2.15.1]
+      User-Agent: [python-requests/2.11.0]
     method: GET
     uri: https://gfycat.com/cajax/get/DeliciousUnfortunateAdouri
   response:
     body:
       string: !!binary |
-        H4sIAAAAAAAAA6yVTW/bMAyG/0rhXbvEH7HzcSm2ZOsKDEW3tduhLQbZpm1ukmVIctKs6H8fZdlr
-        VmCHwbkY5kvqMSkT5KNXFvsLA8JbPXavubfycuCYoWx1WxdSmbZmBlguW4XeqQ26ZAIobDOE3TyH
-        vTkMa0UKigLDeTQLQz9ISGfbci25tPKrt+v1YhOR2GpQPRTrLctB5ZTRqbfD3FQkBsvQJ7MCLCtj
-        bX9h7ULRmc/0VZIiK9SteG81TcKsOyKa2Y3iZFbGNHp1N72blshqM6H8MmYmmRR3038XMqHzNg9I
-        xSiMBThO85JjKrom/R+gxpYlU+QwCvXaMfoKnXEltQF1FOyPpiRscwSgY/TA7miU+OOQBOjrHnjH
-        qHxgHaYa+MdDE6tHC/YQi/QcixFIjb/guwJtFGYG8klJtI4cjiYLxvnAo4THdbzoS8YaRzYmEYZu
-        p9ej9LpFuvyo3FETwl0XPb/Qf7EjLkzmCz+JYjfEBjWax/Oln/QzqVdnQRD4oY3MFBBy40ZiMEsW
-        y1mShCF5tgg7Gotx4i+XvXUJu3eNzOyA7WTbs2h4dzQ+0ZDJOj/hKNCcnZ2REx6MYh9BCEaguuWc
-        MstjimZZxOKQhX7qQ7FIM0jjIAnm/mLuszBe2glvWEmHbr0PNME/tYyj2VOTafIg02hH2sHgv3cb
-        4bo/4yJIrHWxo8/Zua6Z3SCB3R321l02mm4yg17P9zUT8o+rTRXkOZpBcJZdd3/b11TloHH82a2S
-        Doe6N52vaVOOuoJ88IPOFDYGZT2EZLLZK7ux1pyhYFg/g1ldtqyEw48V9NxIG/atQkONosl1e+8c
-        5yBfqNgtvyslC5q2F4JgX1Fjav9ewbiGp6ffAAAA//8DAExtFE7bBwAA
+        H4sIAAAAAAAAA6yV32+cMAzH/5WKvXZXfhxwdy/Vdrd1laaq29rtoa2mAAa8JQQloddb1f99DoH1
+        VmkPE/eC8NfOBztY9qNXlbtzA8JbPfavhbfyCuCYo+x015RSma5hBlghO4XesQ26YAIobDOGXT+H
+        vdkP60QGigLDNJqHoR8kpLP7ai25tPKrt+v1YhOR2GlQAxSbe1aAKiijY2+LhalJDJahT2YNWNXG
+        2v7C2qWiM5/pqyRFVmg68d5qmoR5f0S082vFyayNafXq9uT2pELWmBnllzMzy6W4Pfl3ITM6b/OA
+        TEzCWIDjtC85pqZr0v8Bam1ZMkMOk1CvHWOo0BmXUhtQB8H+aCvCtgcAOsYA7I9GiT8NSYCh7pF3
+        iMpH1n6qgX84NLEGtGAPscjOsJyA1PgLvivQRmFuoJhVROvJ4WSyYJyPPEp4WseLoWRscGJjEmHs
+        dno9SK9bpMuPyp00Idx10fML/Rc74sIkXfhJFLshNqpRGqdLPxlm0qDOgyDwQxuZKyDkxo3EYJ4s
+        lvMkCUPy3CNsaSzGaRgtB+sCtu9amdsB28u2Z9Hw/mh8pCGXTXHEUaA5PT0lJzwYxT6CEIxATcc5
+        ZVbEFM3yiMUhC/3Mh3KR5ZDFQRKk/iL1WRgv7YQ3rKJDN94HmuCfOsbR7KjJNHmQabQjbW/w37mN
+        cDWccREkNrrc0ufsXNfMbpDA7g576y4bTTeZw6AXu4YJ+cfVZQqKAs0oOMuuu7/tK6py1Dj+7FdJ
+        j0M9mM7XdhlHXUMx+kHnCluDshlDctnulN1Ya85QMGyewaypOlbB/sdKem6kDftWo6FG0eS6uXOO
+        M5AvVOyX36WSJU3bc0Gwr6gxs3+vZFzD09NvAAAA//8DAJrmkiHbBwAA
     headers:
       Access-Control-Allow-Origin: ['*']
       Age: ['0']
@@ -30,13 +30,13 @@ interactions:
       Connection: [keep-alive]
       Content-Encoding: [gzip]
       Content-Type: [application/json]
-      Date: ['Thu, 14 Sep 2017 04:40:11 GMT']
+      Date: ['Sun, 05 Aug 2018 02:49:42 GMT']
       Server: [nginx]
       Vary: ['Accept-Encoding,CloudFront-Is-Mobile-Viewer,CloudFront-Is-Desktop-Viewer,CloudFront-Is-Tablet-Viewer']
-      Via: ['1.1 varnish, 1.1 237a1251334687793d0a46b56f8f24b4.cloudfront.net (CloudFront)']
-      X-Amz-Cf-Id: [1-ve2Z01Yn5L6cwTuHhOOpHVhbbLtdSrF3IPe_kfJPiK0q3ZeI6HYQ==]
+      Via: ['1.1 varnish, 1.1 e8e2b5919de16b604427afff4643bac6.cloudfront.net (CloudFront)']
+      X-Amz-Cf-Id: [NTsnZkd-THTFW72NcLVNKicazXJwD2gfHS7J1tpFE3n4nB74NRvzEg==]
       X-Cache: [Miss from cloudfront]
       X-Powered-By: [PHP/5.5.38]
-      X-Varnish: ['549133212']
+      X-Varnish: ['1600772156']
     status: {code: 200, message: OK}
 version: 1