ucb-bar/chisel — pull request #220 by zhemao (2014-05-26 16:56:45+00:00)
Title: Update documentation for ShiftRegister

The order of arguments to `ShiftRegister` has been changed, but the change has not been documented in the manual or cheatsheet. In addition, the manual does not mention the optional `en` signal for `ShiftRegister`. This PR fixes those two issues.