httpcache: allow to import submodules within packages as HTTPCACHE_DBM_MODULE setting.
httpcache: added tests for custom dbm module.

And removed the break in the line to improve readability as there
is no strict 80-chars line width convention.
tests: dummydbm.error should be KeyError.
Merge pull request #234 from darkrho/httpcache-dbm-module-fullpath

allow to use full path in HTTPCACHE_DBM_MODULE setting
Fix typo labeling attrs type bool instead of list
Merge pull request #235 from whodatninja/patch-1

Fix typo labeling attrs type bool instead of list
remove scrapyd, it was migrated to its own repository
update travis-ci conf
get scrapy version from package data
add PHONYs so build does not match build/ path
spider.log to pass keyword arguments into twisted log.msg
Fix url_has_any_extension bug
Merge pull request #241 from zuhao/master

Fix url_has_any_extension bug
reverted previous changed as it broke tests
added --pdb command option to enable pdb debugger on failure.
updated release notes with previous commit
Added check so that genspider cannot create a spider with the same name as the project.
Merge pull request #244 from morty/master

scrapy genspider allows you to create a spider module with the same name as the project
Merge pull request #240 from llonchj/spider_log

spider.log to pass keyword arguments into twisted log.msg
doc: remove links to diveintopython.org, which is no longer available. closes #246