Grammar fixes
remove plugins
fix extra cymruwhois requirement
Merge pull request #5 from kraigu/kraigu

README update, moving plugins
update tests for cidr and cidr6
add cidr and cidr6 support to get_type
update readme
Merge branch 'cidr'

This closes #4
Bump to 0.4.0
Update README.md

update info on ninfo usage.