Carp-Source documentation

• Carp-Source - README
• Carp-Source - Changes
• Carp-Source - INSTALL
• Carp-Source - META.yml
• Carp-Source Makefile.PL
• Carp::Source - Warn of errors with stack backtrace and source context  [view source]
• Carp::Source::Always - Warns and dies with stack backtraces and source code context  [view source]