preparing gitignore for composer
fixes and reviews

Conflicts:
	cli-functions.php
wip on processes executions

Conflicts:
	test.php
review of the library

Conflicts:
	cli-functions.php
renaming the library as 'phpclib-functions.php'
full review of the library: docblocks & methods
review of the docblocks
merging lib version from 'ip' branch