Added headers setter to request signature which normalizes headers before assignment
Added headers setter to request signature which normalizes headers before assignment
xuwupeng2000/webmock,spjsschl/webmock,influxdb/webmock,sinisterstuf/webmock,sferik/webmock,VincentZhao/webmock,bblimke/webmock,ixti/webmock,hobodave/webmock,Omnihuron/webmock,maruware/webmock,qrush/webmock,henrik/webmock,taiki45/webmock,hilben/webmock,avantcredit/webmock,davidbegin/webmock,arronmabrey/webmock,webmock/webmock