Release 1.1.9

• Readme fixes;
• Updated Ninja mutex version;

Release 1.1.8

• Minor refactorings;
• Exception instead of exit;
• Fully covered by tests;
• Readme badges fixed;
• StyleCI rules fixed;
• Travis integrated;
• Coveralls integrated;

Release 1.1.7

• Badges added;
• Composer lock updated;

Release 1.1.6

• PHP version requirements increased;
• Readme updated;
• Composer lock updated;

Release 1.1.5

• Minor readme fixes;
• Composer lock updated;

Release 1.1.4

• Readme fixes;

Release 1.1.3

• StyleCI simplified_null_return fixer disabled;

Release 1.1.2

• Composer lock updated;

Release 1.1.1

• Readme fixes, "Advanced" section added;

Release 1.1.0

• Mutex integration changed from execute method to initialize method;
• Troubleshooting section added to readme;
• Custom SensioLabs Insight rules added;