Fixing mime parsers (#580)

mime parser cleanup

tests/cassettes/test_parser[imgur_album].yaml

@@ -6,23 +6,23 @@ interactions:
       Accept-Encoding: ['gzip, deflate']
       Authorization: ['**********']
       Connection: [keep-alive]
-      User-Agent: [python-requests/2.14.2]
+      User-Agent: [python-requests/2.11.0]
     method: GET
     uri: https://api.imgur.com/3/album/pRYEi
   response:
     body:
       string: !!binary |
-        H4sIAAAAAAAAA+WVTW+cMBCG/0rkM93FBtvArao2VdRL1W5bVd0IeYEFK3wVG1abKP+94+UrNKqU
-        pMe9MeOZsed9PPgBxUILFDwgGaMA1V9+biSykJY6T8De/ri5uv744Qrb72wG/jhRUSNrLasSBWWb
-        55bJT7QsIBpTmzuYesS1UFR1SQMFtPz2Vdyf0OAJjzLWGYRy4oyuLJFppsFnc2YhEUVVW+qwbXJI
-        j6vsTuRodptTUt/ljseohepGdiI6mYO3+1xGEJiLU9VCNbTPqxTsTiZHhQLicFiT5R2sZFrXKtit
-        d2tZpG2ziqpitxa79dj8QXRVIzV0dBC5SixUqsNxMlQS9e2jT6KuBcTLQqSJCs8HRAE0L8swFXme
-        NKcpS6pQxLN1zkDBr0H2WaVB+EHaF6jNTGP6VBta57LQR2kaFyWYOpk3XUi/FF3Je1MR+x5hZNIM
-        UwdbaC/KeEz1HJc6PiYmpjIC9Yf6h2D94qRXby74Ll1Git7zl1plWFRKh51s4C6M3kyoUEHeHKdF
-        ajS9hYpx2Etin7/7u2RIPQfz/E6sntyKAczKSPpojUOS3ajN+ydj8nJanHqvpIUpnmn5BI+wOOfU
-        FBtZYe4tWPmY+sxxzCxeBqqByhLVttt632nxFlSMsP9BhTF2p8Eins0cNsNy/SUs7MNo+YQTA/Qi
-        aA1glrR+b7afr982WL7tvo4WPFMzLMamnyBxHMbsCRVz+ZIUNZNmExNxEaAGJj2o20fopo2iRME2
-        umkhW2mhW/PA2vbjH8FrHXBNCAAA
+        H4sIAAAAAAAAA+WVXW+bMBSG/0rla5YYAzbkbprSqdrNtGWbpqVCDjhg1XwMG6K06n/fcYBQVk1q
+        u8vkivPJOe9jhweUcsPR6gHJFK1Q/eXnWiIHGWmUAHvz4+bq+uOHKxe/wxT8qdBJI2sjqxKtylYp
+        x9YLIwvIdgPMPDcIie+gpOpEAw2M/PaV3x/R4IkPMjU5pDLija5cyCw34MOMOognSdWWJm4bBeVp
+        ld9xhSa3nTKIfOaFNHBQ3ciOJ0c7eLtTMoFExY9VC93QTlUZ2J0UBw3NQ0YgKMs7COXG1Hq1XW6X
+        ssjaZpFUxXbJt8tx+z3vqkYaWGnPlRYOKvX+cDa0SPr90Sde1xzyZcEzoePThGgF28syzrhSojme
+        q6SOeTpZZaLaVMRc7doCAnqKnHqh1a+ByCTgwGRQ/QUgqMeg6lhbkKe2sGFpNeElmEZM48yozHlo
+        eW87ulFIKJnkxPC842U6VhL7Y5Z8V1nh+pH+IWQfPOvYmzPwc5cVovf8rWJcVNrEnWzgkIzenOtY
+        Q92UZ3hmFb2FjmncC4JPz/0hswSfA3t+VhZPTsuAZWEFfXTG25Pf6PX7J/fn5axYEL6SlRu4E6uI
+        uCMqxlhgm42kXDYjFeGI+SSklwJqYDIHtek24fegeAsoSuj/gHJd1z9fKhJi6lkSI6pgfql8RuCV
+        Pr4UVgOWOavf683n67ddqgj7r2MF364JFaXnvz/ieZRaDOPHZMbJJzgIw4uhNADpKd0+wjZtkggN
+        rzFNC9XacNOCRTB+/AMGkt8HXwgAAA==
     headers:
       Accept-Ranges: [bytes]
       Access-Control-Allow-Credentials: ['true']
@@ -32,26 +32,27 @@ interactions:
       Access-Control-Allow-Origin: ['*']
       Access-Control-Expose-Headers: ['X-RateLimit-ClientLimit, X-RateLimit-ClientRemaining,
           X-RateLimit-UserLimit, X-RateLimit-UserRemaining, X-RateLimit-UserReset']
-      Age: ['31']
+      Age: ['0']
       Cache-Control: ['max-age=60, stale-while-revalidate=600, stale-if-error=86400,
           public']
       Connection: [keep-alive]
       Content-Encoding: [gzip]
-      Content-Length: ['591']
+      Content-Length: ['592']
       Content-Type: [application/json]
-      Date: ['Sat, 07 Oct 2017 01:01:16 GMT']
-      ETag: [W/"8b0927b16241ada44f39c2294331b7b71d81dfb1"]
-      Fastly-Debug-Digest: [75f7908a66ef856621dff296f5ce58532966f39397442cc5b0bec6811e2cf406]
+      Date: ['Sun, 05 Aug 2018 02:49:45 GMT']
+      ETag: [W/"cbdb774533eca6a8cab655afaa92df90cd28e74c"]
       Server: [cat factory 1.0]
       Vary: [Accept-Encoding]
-      X-Cache: ['HIT, HIT']
-      X-Cache-Hits: ['2, 1']
+      X-Cache: ['MISS, MISS']
+      X-Cache-Hits: ['0, 0']
       X-Frame-Options: [DENY]
+      X-RateLimit-ClientLimit: ['12500']
+      X-RateLimit-ClientRemaining: ['12384']
       X-RateLimit-UserLimit: ['500']
-      X-RateLimit-UserRemaining: ['498']
-      X-RateLimit-UserReset: ['1507341645']
-      X-Served-By: ['cache-iad2122-IAD, cache-mdw17331-MDW']
-      X-Timer: ['S1507338076.081694,VS0,VE12']
+      X-RateLimit-UserRemaining: ['497']
+      X-RateLimit-UserReset: ['1533440984']
+      X-Served-By: ['cache-iad2142-IAD, cache-sea1033-SEA']
+      X-Timer: ['S1533437385.946671,VS0,VE101']
       access-control-allow-methods: ['GET, PUT, POST, PATCH, DELETE, OPTIONS']
     status: {code: 200, message: OK}
 version: 1