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Avoid cloning configuration after intialize
Ignore Gemfile.lock
v2.7.3
simplify after_initialize hacks
Merge pull request #1 from zendesk/grosser/simplify

simplify after_initialize callbacks
make travis build more granular
Merge pull request #2 from zendesk/grosser/travis

make travis build more granular
use minitest
remove shoulda
plug randomly failing test
introduce shard_status on migrator
Merge pull request #3 from zendesk/grosser/migration-tasks

introduce shard_status on migrator
add bump
v2.7.4
Patch exists? where scopes are used

AcitveRecord 3 will delegate exists? to the Relation rather than
ActiveRecord::Base if it is called on a scope, meaning that
SomeModel.some_scope.exists? will run a query on the master
Correct method name in test
Test Scope.exists? on Rails 2 and 3
Merge pull request #4 from zendesk/sean/patch_ar3_exists

Patch ActiveRecord 3 `exists?` with scopes
v2.7.5