1.5.0

• New targets for JavaScript and JSON.
• Targets C and C++ improved to avoid memory leaking and handle malloc/realloc
  calls more securely.
• All targets now supporting the UNICC_SUCCESS and UNICC_ERROR flags that
  can be set as current act (action) to stop parsing.
• Started a grammar and templates test suite for better continous integration.
• Compiled and linked against libphorward 0.23.
• Removed outdated syntax-tree feature from C target.