jSQL Injection v0.93

• Add Boolean no-mode (special use case)
  • Reported by @mastercho
• Add Preference to disable URL random suffix
• Fix empty String not possible in SQL Engine
• Add CTF platforms to Scan list
  • challenges.ringzer0team.com
  • natas.labs.overthewire.org
  • web.ctflearn.com
  • test.shack2.org
  • 127.0.0.1/sqli-labs