NLog/NLog — pull request #472 by ie-zero (2014-12-20 15:53:19+00:00)
Title: Refactor code in FileTarget

* Split long methods to increase code readability and produce
opportunities for further logical grouping of the code into smaller
classes.
* Renaming of parameters, private method in order to their purpose more
clearly.
* Rework wording of InternalLogger messages.
* Introduce constants naming "Magic Numbers" used in the class.