Improving code and adding documents
Improving code and adding documents

Code extensibility was improved by changing private property to protected;
Additional methods to generate some Brazilian documents were included

Balamir/Faker,muya/Faker,xfxf/Faker-PHP,brainrepo/Faker,BePsvPT/Faker,ravage84/Faker,luisbrito/Faker,nikmauro/Faker,vlakoff/Faker,shunsuke-takahashi/Faker,nalekberov/Faker,localheinz/Faker,dongnhut/Faker,simonfork/Faker,bmitch/Faker,cjaoude/Faker,igorsantos07/Faker,ivyhjk/Faker,mousavian/Faker,antonsofyan/Faker,CodeYellowBV/Faker,lasselehtinen/Faker,duchaiweb/Faker-1,splp/Faker,kevinrodbe/Faker,zeropool/Faker,selmonal/Faker,stof/Faker,oswaldderiemaecker/Faker,xfxf/Faker,chrismoulton/Faker,cenxun/Faker,pathirana/Faker,matriphe/Faker,d3trax/Faker,syj610226/Faker,kuldipem/Faker,alexlondon07/Faker,davidyell/Faker,guillaumewf3/Faker,kkiernan/Faker,jeffaustin81/Faker,huang53798584/Faker,Beanhunter/Faker,datagit/Faker,oshancsedu/Faker