Version 0.15.0

Total issues resolved: 17

• 511: [WIP\ Upgrade PHP 7.0
• 542: Fix return type in interface
• 548: Php7 issues
• 551: Composer file changes
• 553: Add missing typehints and return types
• 554: Add missing type hints
• 555: Small performance optimization
• 560: Merge master
• 561: Include original commit message
• 562: Add whitelist and blacklist to GitBranchName
• 572: Php lint ignore patterns grumpy seventies
• 574: Added parameter to toggle show info
• 575: Drop old dependencies
• 578: Fix travis composer cache
• 582: 580: Adds support for --tasks option in run command.
• 585: Fix deprecation warning
• 599: Grumpy seventies