v1.5.0

• Added modules zip, gzip, okhttp
• Added functions std::getBytes, std::stringFromBytes, std::stripMargin
• Added JProgressBar, JTextArea, JScrollPane to forms, methods for JButton, JTextField and WindowListener
• Added function joining to functional::stream
• Added array properties: arr.length, arr.isEmpty(), arr.joinToString(...)
• Added null coalesce operator ??
• Added basic support for classes
• Strict string to number conversion
• for supports iterating strings and arrays with index:
  for ch : "test"
for ch, code : "test"
for el : arr
for el, index : arr
• Pretty-print for jsonencode:
  jsonencode(obj) — minified json
  jsonencode(obj, 2) — pretty-print json with 2 spaces indent
• Ability to set options for yaml parser/dumper
• Fixed mysql connection in jdbc
• Fixed str::range for reversed ranges
• Fixed files::readBytes with offset and length
• Fixed matching class constructor in java::new. Ability to instantiate classes with new operator
• Other minor changes