Versioning from version.rb

bumped version

field duplicate bug

cleanup

fixed typo

git-svn-id: svn+ssh://rubyforge.org/var/svn/iso8583/trunk@20 376720e6-ce15-0410-8e93-9fd71939dfc0

warnings for package task, .gitignore

git-svn-id: svn+ssh://rubyforge.org/var/svn/iso8583/trunk@18 376720e6-ce15-0410-8e93-9fd71939dfc0