Separate building request from _requests_to_follow in CrawlSpider
Separate building request from _requests_to_follow in CrawlSpider

You just overwrite buiding request if you can use another request class
because of something like splash-plugin.

pawelmhm/scrapy,wujuguang/scrapy,ssteo/scrapy,ArturGaspar/scrapy,rolando-contrib/scrapy,pablohoffman/scrapy,finfish/scrapy,ssteo/scrapy,taito/scrapy,shaform/scrapy,taito/scrapy,elacuesta/scrapy,Parlin-Galanodel/scrapy,finfish/scrapy,starrify/scrapy,finfish/scrapy,rolando/scrapy,scrapy/scrapy,umrashrf/scrapy,dangra/scrapy,taito/scrapy,rolando-contrib/scrapy,scrapy/scrapy,kmike/scrapy,kmike/scrapy,darkrho/scrapy-scrapy,ssteo/scrapy,rolando/scrapy,umrashrf/scrapy,darkrho/scrapy-scrapy,starrify/scrapy,dangra/scrapy,shaform/scrapy,scrapy/scrapy,umrashrf/scrapy,ArturGaspar/scrapy,wujuguang/scrapy,starrify/scrapy,pablohoffman/scrapy,Ryezhang/scrapy,pawelmhm/scrapy,Parlin-Galanodel/scrapy,Ryezhang/scrapy,dangra/scrapy,eLRuLL/scrapy,elacuesta/scrapy,eLRuLL/scrapy,rolando-contrib/scrapy,darkrho/scrapy-scrapy,eLRuLL/scrapy,shaform/scrapy,elacuesta/scrapy,Ryezhang/scrapy,wujuguang/scrapy,ArturGaspar/scrapy,kmike/scrapy,pablohoffman/scrapy,pawelmhm/scrapy,rolando/scrapy,Parlin-Galanodel/scrapy