code: function(value, params, property) {
              value = +value;
  
              if ('min' in params && value < params.min) {
                  throw new Error('Value "' + value +
                      '" of property "' + property + '" must not be less then "' + params.min + '"!');
              }
              if ('max' in params && value > params.max) {
                  throw new Error('Value "' + value +
                      '" of property "' + property + '" must not be greater then "' + params.max + '"!');
              }
              return value;
          }
docs: Number property type
  Converts value to number, applies 'min' and 'max' parameters
  
  @param {*}      value    Property value
  @param {object} params   Property parameters
  @param {string} property Property name
  
  @throws {Error} if value less then 'min' parameter
  @throws {Error} if value greater then 'max' parameter
  
  @returns {number} Processed property value
  
  @this {metaProcessor}