Added BaseRequest.get_header() for consistency.
Added BaseRequest.get_header() for consistency.

oz123/bottle,kevinmel2000/bottle,Inndy/bottle,defnull/bottle,gaotongfei/bottle,wangjun/bottle,gaotongfei/bottle,prologic/bottle,ListFranz/bottle,taisa007/bottle-ja,bottlepy/bottle,ListFranz/bottle,hayate/bottle,StdioA/bottle,mefyl/bottle,Kjuly/bottle,ericfrederich/bottle,ifduyue/bottle,mrdon/bottle,oz123/bottle,SamuelMarks/bottle,enzzc/bottle,myzhan/bottle,catroot/bottle,CentricWebEstate/bottle,AWFU/bottle,xsank/bottle,bottlepy/bottle,ifduyue/bottle,Inndy/bottle,samstav/bottle,SamuelMarks/bottle,fkazimierczak/bottle,StdioA/bottle,hkmshb/bottle,fkazimierczak/bottle,hayate/bottle,adampresley/bottle,prologic/bottle,CentricWebEstate/bottle,kevinmel2000/bottle,kevintaw/bottle,khirayama/bottle,AWFU/bottle,samstav/bottle,mrdon/bottle,SmithSamuelM/bottle,defnull/bottle,hkmshb/bottle,ericfrederich/bottle,myzhan/bottle,taisa007/bottle-ja,kevintaw/bottle,adampresley/bottle,wangjun/bottle,catroot/bottle,SmithSamuelM/bottle,enzzc/bottle,khirayama/bottle,Kjuly/bottle,mefyl/bottle