Validator -> ArrayParser
Merge branch 'master' of https://github.com/vbuilder/utils
ArrayParser: further improvements
Git ignore
composer: branch alias
ArrayParser: nested parsing
ArrayParser: ARRAY_OF_STRUCTURE
Fixed test boostrap to work even when part of composer project
ArrayParser: presets + checking for unexpected parameters
Removed minimum stability
IO: added IMetadataFileStorage and PhpFileStorage
Migration to PSR-4
Scheduler
Added FileSystem (from framework)
Scheduler: improved handling of missing directory
Scheduler: added job runner script
Added test for FileSystem::getPathTokens()
Added test for FileSystem::normalizePath()
Strings: parseToFloat and parseToBool moved to Parsers.ScalarParser
Parsers: added HtmlParser