I wish a logger as class or libraries.

Hello,

I want to work with someone open to criticism of a code review.
You give me permission to publish this code under the GPL license. 

To log errors, info, etc.

The examples should demonstrate the differences between running back-testing and production.

 - Compatible with Metatrader 4 / MQL4
- Can operate alone without any external libraries, indicators, or files
- Must be delivered with full source code

French speaking is a plus. ;-)

Best regards,

Pierre8r