Bumped dependencies and resolved issues related to that

[Hwatwasthat]

Just bumped the current versions of dependencies and resolved any issues between versions.

• Clap
  • Changes to short and value delimiters from strings to chars
  • Validators take &str now
• rand - changed random string generation method
• simple_xml_serialize - no changes required
• simple_log
  • termlogger requires colour enum during creation
  • required adding time crate for custom time stamp
• vergen
  • Changed method for creation of keys
  • Changed some env variable names