2020.04

• Added support of UTF8 encoding at the string unit.
• Added new tasks 'attrib', 'call', 'choose', 'copy', 'delete', 'description', 'fail', 'foreach', 'if', 'loadfile', 'mkdir', 'move', 'program', 'property', 'sleep', 'touch' and 'trycatch' to early exists 'echo' and 'exec'.
• Added hash unit with 'crc32', 'BLAKE2b', 'BLAKE3', 'SHA3/Keccak' algorithms. Algorithms 'crc32' and 'BLAKE2b' also available for file::get-checksum script function.
• Tag elements 'project' and 'target' internally also marked as tasks.
• Addition details, samples and possibilities can be found at the tests.xml at the develop branch.