Updated LoopByTouch.
Added PIONE document of WorkflowPatterns No.13 Multiple Instances with
a priori Design-Time Knowledge.
Added PIONE document of WorkflowPatterns No.12 Multiple Instances
without Synchronization.
Changed to run 5 instances.
Added PIONE document of WorkflowPatterns No.14 Multiple Instances with
a priori Run-Time Knowledge.
Added #max and #min to integer sequence.
Update tests.
Added #empty? to sequence.
Added PIONE document of WorkflowPatterns No.41 Thread Merge.
Renamed PIONE documents of WorkflowPatterns.
Added PIONE document of WorkflowPattern No.42 Thread Split.
Added PIONE document of WorkflowPatterns No.11 Implicit Termination.