v0.2.0

• --ignore, --ignore-re: ignore messages containing an exact pattern or
  matching a regular expression (migration from version 0.1.14: replace --ignore with --ignore-re)
• curly quotes and straight quotes can now be used interchangeably
• change Java stack size handling (introduced the new command line options -l, -ll and -lll)
• update vnu.jar to 16.1.1 (which now requires Java 8)