Fatal-Exception documentation

• Fatal-Exception - README
• Fatal-Exception - Changes
• Fatal-Exception - META.yml
• Fatal-Exception Build.PL
• Fatal-Exception Makefile.PL
• Exception::Argument - Thrown when called function or method with wrong argument  [view source]
• Exception::Fatal - Thrown when core function has a fatal error  [view source]
• Fatal::Exception - Succeed or throw exception  [view source]