Removed IsReadable and IsWritable traits from IO\File for now because I don't really think they're helpful. I don't want to move the read/write functionality into them.
Removed IsReadable and IsWritable traits from IO\File for now because I don't really think they're helpful. I don't want to move the read/write functionality into them.

 * refs #38
 * refs #77

deni-zen/csvelte,deni-zen/csvelte