expose the log function as a module export so that it can be overriden by an external caller.
expose the log function as a module export so that it can be overriden by an external caller.

saisai/browser-request,beamly/browser-request,iriscouch/browser-request,karolmajta/browser-request,robertjd/browser-request,maxogden/browser-request,yegodz/browser-request,matthisk/xmlhttp-request