[refactor] Api for CpanCrawler has changed

[timgluz]

I found out that the url of API for CPAN crawler has been changed and old url doesnt work anymore.

ToDO:

• change url
• check has data from API changed
• update response fixtures in the spec/fixtures/files/cpan
• run crawler for extended period of time and check does scrolling work

API docs: https://github.com/metacpan/metacpan-api/blob/master/docs/API-docs.md

[timgluz]

I started to digg into it - sadly, i cant assigned to me;

[timgluz]

solution is in the PR #60

[reiz]

I just merged it.

[reiz]

@timgluz I just pulled the fresh code. Now reviewing again in my locale editor. I guess I will have some little refactoring and questions.