Add tests and error-checking for parameters, lists and keypairs with no value
updated Changes
Fix doc typo: Getopt::Long to Getopt::Lucid
updated Changes
remove docs for removed method required
updated meta files
v1.04

    - added error message for missing values for other
      option types as well

    - fixed some documentation typos

    - removed documentation of 'required' modifier, which was
      actually removed in 1.00
bump Changes