Added version history
Added version history

dreal-deps/easyloggingpp,spthaolt/easyloggingpp,arvidsson/easyloggingpp,lisong521/easyloggingpp,blankme/easyloggingpp,simonhang/easyloggingpp,hellowshinobu/easyloggingpp,dreal-deps/easyloggingpp,chenmusun/easyloggingpp,blankme/easyloggingpp,chenmusun/easyloggingpp,spthaolt/easyloggingpp,simonhang/easyloggingpp,blankme/easyloggingpp,hellowshinobu/easyloggingpp,lisong521/easyloggingpp,utiasASRL/easyloggingpp,spthaolt/easyloggingpp,spqr33/easyloggingpp,arvidsson/easyloggingpp,lisong521/easyloggingpp,hellowshinobu/easyloggingpp,dreal-deps/easyloggingpp,spqr33/easyloggingpp,utiasASRL/easyloggingpp,arvidsson/easyloggingpp,simonhang/easyloggingpp,spqr33/easyloggingpp,utiasASRL/easyloggingpp,chenmusun/easyloggingpp