Code to pass test 1 and 3
Passed test 1....
Serialized links....
Test 2 passed.....
moved model to appropriate file....
Code only for test 3
Merge remote-tracking branch 'upstream/master'
Final code for test 3
hopefully the final
Gemfile(rails) updated
removed test.db
Merge pull request #2 from karthiksenthil/master

Test 3 is passed !! Thank Karthik
Test passed for starting crawler
Test 1 done... I think...
All tests pass....
Made changes in the table names, columns for db
changed migratedb.rb to remove the method migrate
Finally, all tests done..... with migrations
Removed unneccessary requirements
All the 3 tests working