small refactor of ForkEngine to make it more testable
another small refactor of ForkEngine to make it even more testable
First ForkEngine test
ForkEngine - refactor testcase
ForkEngine - child signals test case
ForkEngine - more tests
ForkEngine signals test - fixed several race conditions
ForkEngine test - unused branch fixed
ForkEngine - test that child removes temporary files
added test for perl behaviour with while
ForkEngine test - comment added
IntermediateFile - do atomic rename _after_ setting mtime/chmod