JD-GUI 1.6.4

This release includes the following changes:

• Update JD-Core to 1.1.1:
  • Addition of a part of the test protocol described in this research paper : The Strengths and Behavioral Quirks of Java Bytecode Decompilers
  • Improved recompilation of decompiled source codes
  • Decompiling and recompiling org.apache.commons:commons-collections4:4.1 without any errors