code: function assertlet(obj, other, objName, otherName) {
      plet.props(obj, sprops, other, false, false, objName || '1st', otherName || '2nd');
  }
docs: Asserts that all of the properties shared between arteries and pulses are equivalent between two arteries or pulses
  
  @arg {Object} obj object that contains artery/pulse properties
  @arg {Object} other another object that contains artery/pulse properties
  @arg {String} [objName=1st] a name to use for the obj object when assertion fails
  @arg {String} [otherName=2nd] a name to use for the obj object when assertion fails