Release v0.12.14

• implement abs, pick, and debug/1 functions
• implement --raw-output0 option, and remove --nul-output (-0) option
• fix string multiplication by zero to emit an empty string
• fix zero divided by zero to emit an error, not nan
• fix modulo operator to emit nan if either side is nan
• fix implode function to emit replacement characters on invalid code points
• fix stderr function to output strings in raw format
• fix error function to throw an error even for null
• fix walk function on multiple outputs arguments
• fix --from-file option to work with --args and --jsonargs options
• fix the default module search path ../lib relative to the executable
• improve query parser to support comment continuation with backslash
• improve modulemeta function to include defined function names in the module
• improve search path of import and include directives to support $ORIGIN expansion
• remove deprecated leaf_paths function