Upgrade scrapy to 0.24.1
Use leveldb for httpcache which is more resilient than anydbm
Bump to 0.6.0
Require leveldb
Add -w command option (#3)
Change package description
Move test requirements to a separate file
Revise test instruction
Fix error when you enter `pystock-crawler -v`
Add test for command line script
Travis failed, move cache assertation to bottom
Debugging travis test failure
Debugging
Debugging travis issue
Keep debugging
Debugging
Debugging
Debugging
Debugging
Fix travis build error