Update rspec-support to version 3.0.4
Update rspec-mocks to version 3.0.4
Update rspec-expectations to version 3.0.4
Update rspec-core to version 3.0.4
Update coveralls to version 0.7.1
Update rubocop to version 0.25.0
Fix block alignment
File.exists? is deprecated in favor of File.exist?
Avoid rescuing the Exception class
Redundant use of Object#to_s in interpolation
Use delegate to define delegations
Indent access modifiers like private
Use alias_method instead of alias
Align the elements of an array literal if they span more than one line
Closing } should be on its own line
Avoid using {...} for multi-line blocks
Redundant curly braces around a hash parameter