code: function histogram () {
                      var histogram = {};
                      libs.object.every(arguments, function (o) {
                          if(typeof o === 'boolean') {
                              if(!histogram[o]) histogram[o] = 1; else histogram[o]++;
                          }
                          else if(typeof o === 'function') {
                              if(!histogram['function']) histogram['function'] = 1; else histogram[o]++;
                          }
                          else {
                              libs.object.every(o, function (val) {
                                  switch(true) {
                                      case typeof val === 'function':
                                      case typeof val === 'undefined':
                                          val = typeof val;
                                          break;
                                      case typeof val === 'object' && val === null:
                                          val = 'null';
                                          break;
                                      case typeof val === 'object' && val instanceof Array:
                                          val = 'array';
                                          break;
                                      case typeof val === 'object':
                                          val = 'object';
                                          break;
                                      default:
                                          val = val.toString();
                                  }
  
                                  if(typeof histogram[val] !== 'number') histogram[val] = 0;
                                  histogram[val]++;
                              });
                          }
                      });
                      return histogram;
                  }
docs: Computes the frequencies for each item in all of arguments.
  @param {...*} objs The objects to compute the histogram from.
  @return {Object<Number>} An object that has the items from all of the arguments as its keys and their frequencies as it's values.