v1.2.3

Fix

(#195) Correct a typo in BinaryRepresentation.scala

Feature

(#176) Fixed an enable signal bug for single delay shift registers.
(#178) Bump deps, and clean up some imports
(#180) Add stream mux
(#183) Fix peekAt argument type.
(#182) Add a set of deterministic rounding modes.
Add (newly) expected name argument to PeripheryBus constructor.
(#181) Update MuxInOuts trait to take into account change to diplomacy.Nodes.scala:makeIOs