pts.pl: print new line between tasks in debug mode
pts.pl: support 'skipped' status for tasks
CompileTest: implement skip test
pts.pl: fwd version 0.2.1
dvm-test.pl: fix command file parse
dvm-test.pl: support tests settings processing

+ support DVM_ONLY setting
dvm-test.pl: v0.3

+ do not create run task for test without compile task
bin/README.txt: update
dvm-test.pl: remove compile tasks before command 'compile'
README.txt: update
pts.pl: add option --failed

+ allow to save failed tasks in specified file
pts.pl: cosmetics