project: migrate Module to MultiIOModule

build.sbt

src/main/scala/uk/ac/soton/ecs/can/core/ChaChaBlock.scala

...ain/scala/uk/ac/soton/ecs/can/core/ChaChaInnerBlock.scala

src/main/scala/uk/ac/soton/ecs/can/core/ColumnRound.scala

src/main/scala/uk/ac/soton/ecs/can/core/DataMemory.scala

src/main/scala/uk/ac/soton/ecs/can/core/DiagonalRound.scala

src/main/scala/uk/ac/soton/ecs/can/core/ProgramMemory.scala

src/main/scala/uk/ac/soton/ecs/can/core/QuarterRound.scala

...test/scala/uk/ac/soton/ecs/can/core/ChaChaBlockTest.scala

src/test/scala/uk/ac/soton/ecs/can/core/DataMemoryTest.scala

...st/scala/uk/ac/soton/ecs/can/core/ProgramMemoryTest.scala

...est/scala/uk/ac/soton/ecs/can/core/QuarterRoundTest.scala