Add option to disable automatic log handler install
Add option to disable automatic log handler install

dangra/scrapy,finfish/scrapy,wujuguang/scrapy,pawelmhm/scrapy,ArturGaspar/scrapy,wujuguang/scrapy,ArturGaspar/scrapy,dangra/scrapy,umrashrf/scrapy,ssteo/scrapy,Ryezhang/scrapy,eLRuLL/scrapy,Ryezhang/scrapy,ssteo/scrapy,wujuguang/scrapy,kmike/scrapy,pawelmhm/scrapy,kmike/scrapy,kmike/scrapy,starrify/scrapy,umrashrf/scrapy,elacuesta/scrapy,elacuesta/scrapy,starrify/scrapy,pablohoffman/scrapy,ArturGaspar/scrapy,Ryezhang/scrapy,dangra/scrapy,scrapy/scrapy,umrashrf/scrapy,pablohoffman/scrapy,scrapy/scrapy,pawelmhm/scrapy,starrify/scrapy,pablohoffman/scrapy,finfish/scrapy,eLRuLL/scrapy,eLRuLL/scrapy,ssteo/scrapy,scrapy/scrapy,finfish/scrapy,elacuesta/scrapy