Maybe a better way to fix decoding issues. Fix #51.

Use `cchardet` to detect the encoding before decoding.

Output from `test.py`:
```
[  1/250] 0007games.com passed in normalized mode.
[  2/250] 0007games.com passed in default mode.
[  3/250] 0031fashion.com passed in normalized mode.
[  4/250] 0031fashion.com passed in default mode.
[  5/250] 123vitamine.com passed in normalized mode.
[  6/250] 123vitamine.com passed in default mode.
[  7/250] 2x4.ru passed in normalized mode.
[  8/250] 2x4.ru passed in default mode.
[  9/250] 365calendars.com passed in normalized mode.
[ 10/250] 365calendars.com passed in default mode.
[ 11/250] 9v.lt passed in normalized mode.
[ 12/250] 9v.lt passed in default mode.
[ 13/250] about.museum passed in normalized mode.
[ 14/250] about.museum passed in default mode.
[ 15/250] abouttubes.com passed in normalized mode.
[ 16/250] abouttubes.com passed in default mode.
[ 17/250] actu.org.au passed in normalized mode.
[ 18/250] actu.org.au passed in default mode.
[ 19/250] alibaba.jp passed in normalized mode.
[ 20/250] alibaba.jp passed in default mode.
[ 21/250] alliancefrançaise.nu passed in normalized mode.
[ 22/250] alliancefrançaise.nu passed in default mode.
[ 23/250] anink.com passed in normalized mode.
[ 24/250] anink.com passed in default mode.
[ 25/250] anonne.ws passed in normalized mode.
[ 26/250] anonne.ws passed in default mode.
[ 27/250] anonnews.org passed in normalized mode.
[ 28/250] anonnews.org passed in default mode.
[ 29/250] aol.com passed in normalized mode.
[ 30/250] aol.com passed in default mode.
[ 31/250] aridns.net.au passed in normalized mode.
[ 32/250] aridns.net.au passed in default mode.
[ 33/250] arkeysolutions.com passed in normalized mode.
[ 34/250] arkeysolutions.com passed in default mode.
[ 35/250] asiahotel.co.th passed in normalized mode.
[ 36/250] asiahotel.co.th passed in default mode.
[ 37/250] atheme.org passed in normalized mode.
[ 38/250] atheme.org passed in default mode.
[ 39/250] australia.gov.au passed in normalized mode.
[ 40/250] australia.gov.au passed in default mode.
[ 41/250] b.ro passed in normalized mode.
[ 42/250] b.ro passed in default mode.
[ 43/250] baligems.co.uk passed in normalized mode.
[ 44/250] baligems.co.uk passed in default mode.
[ 45/250] bäckerei.de passed in normalized mode.
[ 46/250] bäckerei.de passed in default mode.
[ 47/250] bidtheatre.com passed in normalized mode.
[ 48/250] bidtheatre.com passed in default mode.
[ 49/250] blackburn.ac.uk passed in normalized mode.
[ 50/250] blackburn.ac.uk passed in default mode.
[ 51/250] bristol.ac.uk passed in normalized mode.
[ 52/250] bristol.ac.uk passed in default mode.
[ 53/250] bts.co.th passed in normalized mode.
[ 54/250] bts.co.th passed in default mode.
[ 55/250] byme.at passed in normalized mode.
[ 56/250] byme.at passed in default mode.
[ 57/250] communigal.net passed in normalized mode.
[ 58/250] communigal.net passed in default mode.
[ 59/250] cryto.net passed in normalized mode.
[ 60/250] cryto.net passed in default mode.
[ 61/250] daemonrage.net passed in normalized mode.
[ 62/250] daemonrage.net passed in default mode.
[ 63/250] davicom.com.tw passed in normalized mode.
[ 64/250] davicom.com.tw passed in default mode.
[ 65/250] defunctkernel.me passed in normalized mode.
[ 66/250] defunctkernel.me passed in default mode.
[ 67/250] direct.gov.uk passed in normalized mode.
[ 68/250] direct.gov.uk passed in default mode.
[ 69/250] dns4pro.com passed in normalized mode.
[ 70/250] dns4pro.com passed in default mode.
[ 71/250] donuts.co passed in normalized mode.
[ 72/250] donuts.co passed in default mode.
[ 73/250] drpciv.biz passed in normalized mode.
[ 74/250] drpciv.biz passed in default mode.
[ 75/250] edis.at passed in normalized mode.
[ 76/250] edis.at passed in default mode.
[ 77/250] engine.com passed in normalized mode.
[ 78/250] engine.com passed in default mode.
[ 79/250] evalsed.info passed in normalized mode.
[ 80/250] evalsed.info passed in default mode.
[ 81/250] example.com passed in normalized mode.
[ 82/250] example.com passed in default mode.
[ 83/250] expopack.com.mx passed in normalized mode.
[ 84/250] expopack.com.mx passed in default mode.
[ 85/250] f63.net passed in normalized mode.
[ 86/250] f63.net passed in default mode.
[ 87/250] formule1fo.com passed in normalized mode.
[ 88/250] formule1fo.com passed in default mode.
[ 89/250] foxiepa.ws passed in normalized mode.
[ 90/250] foxiepa.ws passed in default mode.
[ 91/250] geko.dk passed in normalized mode.
[ 92/250] geko.dk passed in default mode.
[ 93/250] get.moe passed in normalized mode.
[ 94/250] get.moe passed in default mode.
[ 95/250] globallatedeals.com passed in normalized mode.
[ 96/250] globallatedeals.com passed in default mode.
[ 97/250] globaltravelgroup.com passed in normalized mode.
[ 98/250] globaltravelgroup.com passed in default mode.
[ 99/250] google.cn passed in normalized mode.
[100/250] google.cn passed in default mode.
[101/250] google.co.jp passed in normalized mode.
[102/250] google.co.jp passed in default mode.
[103/250] google.co.th passed in normalized mode.
[104/250] google.co.th passed in default mode.
[105/250] google.co.uk passed in normalized mode.
[106/250] google.co.uk passed in default mode.
[107/250] google.com passed in normalized mode.
[108/250] google.com passed in default mode.
[109/250] google.com.tw passed in normalized mode.
[110/250] google.com.tw passed in default mode.
[111/250] google.it passed in normalized mode.
[112/250] google.it passed in default mode.
[113/250] hl3.eu passed in normalized mode.
[114/250] hl3.eu passed in default mode.
[115/250] hopjb.eu passed in normalized mode.
[116/250] hopjb.eu passed in default mode.
[117/250] huskeh.net passed in normalized mode.
[118/250] huskeh.net passed in default mode.
[119/250] hyves.nl passed in normalized mode.
[120/250] hyves.nl passed in default mode.
[121/250] imperial.ac.uk passed in normalized mode.
[122/250] imperial.ac.uk passed in default mode.
[123/250] ireland.ie passed in normalized mode.
[124/250] ireland.ie passed in default mode.
[125/250] ismtgoxdeadyet.com passed in normalized mode.
[126/250] ismtgoxdeadyet.com passed in default mode.
[127/250] jizzbo.com passed in normalized mode.
[128/250] jizzbo.com passed in default mode.
[129/250] keybase.io passed in normalized mode.
[130/250] keybase.io passed in default mode.
[131/250] linux.conf.au passed in normalized mode.
[132/250] linux.conf.au passed in default mode.
[133/250] lowendbox.com passed in normalized mode.
[134/250] lowendbox.com passed in default mode.
[135/250] lowendshare.com passed in normalized mode.
[136/250] lowendshare.com passed in default mode.
[137/250] luka-netconsult.com passed in normalized mode.
[138/250] luka-netconsult.com passed in default mode.
[139/250] microsoft.com passed in normalized mode.
[140/250] microsoft.com passed in default mode.
[141/250] mu.oz.au passed in normalized mode.
[142/250] mu.oz.au passed in default mode.
[143/250] nepasituation.com passed in normalized mode.
[144/250] nepasituation.com passed in default mode.
[145/250] nic.buzz passed in normalized mode.
[146/250] nic.buzz passed in default mode.
[147/250] nic.ir passed in normalized mode.
[148/250] nic.ir passed in default mode.
[149/250] nic.ps passed in normalized mode.
[150/250] nic.ps passed in default mode.
[151/250] nic.pw passed in normalized mode.
[152/250] nic.pw passed in default mode.
[153/250] nic.ru passed in normalized mode.
[154/250] nic.ru passed in default mode.
[155/250] nominet.org.uk passed in normalized mode.
[156/250] nominet.org.uk passed in default mode.
[157/250] nsa.gov passed in normalized mode.
[158/250] nsa.gov passed in default mode.
[159/250] nttpc.co.jp passed in normalized mode.
[160/250] nttpc.co.jp passed in default mode.
[161/250] nytimes.com passed in normalized mode.
[162/250] nytimes.com passed in default mode.
[163/250] oli.id.au passed in normalized mode.
[164/250] oli.id.au passed in default mode.
[165/250] ovh.fr passed in normalized mode.
[166/250] ovh.fr passed in default mode.
[167/250] pcmups.com.tw passed in normalized mode.
[168/250] pcmups.com.tw passed in default mode.
[169/250] pixelmania.asia passed in normalized mode.
[170/250] pixelmania.asia passed in default mode.
[171/250] porn.com.tw passed in normalized mode.
[172/250] porn.com.tw passed in default mode.
[173/250] prq.se passed in normalized mode.
[174/250] prq.se passed in default mode.
[175/250] quadranet.com passed in normalized mode.
[176/250] quadranet.com passed in default mode.
[177/250] realtek.com.tw passed in normalized mode.
[178/250] realtek.com.tw passed in default mode.
[179/250] redd.it passed in normalized mode.
[180/250] redd.it passed in default mode.
[181/250] ricoh.co.th passed in normalized mode.
[182/250] ricoh.co.th passed in default mode.
[183/250] rs.co.th passed in normalized mode.
[184/250] rs.co.th passed in default mode.
[185/250] servequake.com passed in normalized mode.
[186/250] servequake.com passed in default mode.
[187/250] siamparagon.co.th passed in normalized mode.
[188/250] siamparagon.co.th passed in default mode.
[189/250] simpardaz.com passed in normalized mode.
[190/250] simpardaz.com passed in default mode.
[191/250] sina.com.cn passed in normalized mode.
[192/250] sina.com.cn passed in default mode.
[193/250] singularity.fr passed in normalized mode.
[194/250] singularity.fr passed in default mode.
[195/250] starbucks.co.th passed in normalized mode.
[196/250] starbucks.co.th passed in default mode.
[197/250] swisscom.ch passed in normalized mode.
[198/250] swisscom.ch passed in default mode.
[199/250] sydney.edu.au passed in normalized mode.
[200/250] sydney.edu.au passed in default mode.
[201/250] tattitude.co.uk passed in normalized mode.
[202/250] tattitude.co.uk passed in default mode.
[203/250] test.de passed in normalized mode.
[204/250] test.de passed in default mode.
[205/250] textfiles.com passed in normalized mode.
[206/250] textfiles.com passed in default mode.
[207/250] theregister.com passed in normalized mode.
[208/250] theregister.com passed in default mode.
[209/250] tip.it passed in normalized mode.
[210/250] tip.it passed in default mode.
[211/250] toyota.co.th passed in normalized mode.
[212/250] toyota.co.th passed in default mode.
[213/250] twitter.com passed in normalized mode.
[214/250] twitter.com passed in default mode.
[215/250] ufpa.br passed in normalized mode.
[216/250] ufpa.br passed in default mode.
[217/250] unwire.hk passed in normalized mode.
[218/250] unwire.hk passed in default mode.
[219/250] urlte.am passed in normalized mode.
[220/250] urlte.am passed in default mode.
[221/250] via.com.tw passed in normalized mode.
[222/250] via.com.tw passed in default mode.
[223/250] vulnweb.com passed in normalized mode.
[224/250] vulnweb.com passed in default mode.
[225/250] wa.us passed in normalized mode.
[226/250] wa.us passed in default mode.
[227/250] warwick.ac.uk passed in normalized mode.
[228/250] warwick.ac.uk passed in default mode.
[229/250] whirlpool.net.au passed in normalized mode.
[230/250] whirlpool.net.au passed in default mode.
[231/250] whois.com passed in normalized mode.
[232/250] whois.com passed in default mode.
[233/250] whois.us passed in normalized mode.
[234/250] whois.us passed in default mode.
[235/250] whoiser.ir passed in normalized mode.
[236/250] whoiser.ir passed in default mode.
[237/250] winamp.com passed in normalized mode.
[238/250] winamp.com passed in default mode.
[239/250] wosoccer.com passed in normalized mode.
[240/250] wosoccer.com passed in default mode.
[241/250] x.it passed in normalized mode.
[242/250] x.it passed in default mode.
[243/250] xboxmoments.com passed in normalized mode.
[244/250] xboxmoments.com passed in default mode.
[245/250] yahoo.com.tw passed in normalized mode.
[246/250] yahoo.com.tw passed in default mode.
[247/250] yahoo.it passed in normalized mode.
[248/250] yahoo.it passed in default mode.
[249/250] zem.org.uk passed in normalized mode.
[250/250] zem.org.uk passed in default mode.
Timing in default mode: 15ms avg, 0ms min, 52ms max
Timing in normalized mode: 16ms avg, 0ms min, 60ms max
All tests passed!
```