README formatting.
README formatting.

nju520/PyMySQL,wraziens/PyMySQL,methane/PyMySQL,Ting-y/PyMySQL,xjzhou/PyMySQL,pymysql/pymysql,boneyao/PyMySQL,xjzhou/PyMySQL,MartinThoma/PyMySQL,modulexcite/PyMySQL,PyMySQL/PyMySQL,lzedl/PyMySQL,jwjohns/PyMySQL,lzedl/PyMySQL,NunoEdgarGub1/PyMySQL,eibanez/PyMySQL,mosquito/Tornado-MySQL,aio-libs/aiomysql,pulsar314/Tornado-MySQL,methane/MyKaze,wraziens/PyMySQL,Geoion/Tornado-MySQL,jheld/PyMySQL,PyMySQL/Tornado-MySQL,eibanez/PyMySQL,yeyinzhu3211/PyMySQL,DashaChuk/PyMySQL,anson-tang/PyMySQL,yeyinzhu3211/PyMySQL