Changelog:

• Entirely rebuilt the tool in a GUI
• Option to obfuscate custom classes on reobfuscate
• Added option to change working directory
• Changes to the look of command line version
• Fixed unclosed resource streams
• Changes the format of lib folder. Now it's lib/client and lib/server for client and server libraries respectfully
• Added option to change target and source version of compilation
• Plugin API and interface implementation
• Patch creation task doesn't show an error if succeeded