recognize common things

[plicease]

• CamelCase and snakeCase should be recognized as "Camel Case" and "snake Case" respectively
• UPPER should be checked as upper and Upper
• microsoft should be checked as microsoft and Microsoft
• recognize hostnames using Domain::PublicSuffix
• recognize common file types .gif, .pl, etc.
• What about %Foo::Bar or [Foo::Bar] not currently considered modules...