1.19.0

• [NEW] Introduced focused specs for powerful test isolation (#199, #204, #197, #194, #188, #185, #181)
• [NEW] Support for multiple reporters (#202, #186)
• [IMPROVED] Stack trace output now excludes irrelevant information (#203, #170)
• [FIXED] Fixed error handler signature (#198 - thanks @YuraLukashik)
• [FIXED] Fixed --configuration command line option parsing (#201, #171)