Migrations to change id column types
Merge pull request #16 from stranger-zedd/larger-ids

Expand ID pool
Update rspec-mocks gem to 2.14.2 (was 2.14.1).
Merge branch 'master' into rename-transaction-to-request

Conflicts:
	db/structure.sql
Change request foreign keys to big ints.
Change SqlEvents foreign key data type to bigint.