Fix JSDoc for Integer

Remove information about deprecated `Integer#from*()` functions.
Mention exported functions.

Fixes #293

Author: lutovich

src/v1/integer.js

@@ -21,11 +21,14 @@
 // https://github.com/dcodeIO/Long.js
 // License Apache 2
 
-import {newError} from "./error";
+import {newError} from './error';
 
 /**
  * Constructs a 64 bit two's-complement integer, given its low and high 32 bit values as *signed* integers.
- *  See the from* functions below for more convenient ways of constructing Integers.
+ * See exported functions for more convenient ways of operating integers.
+ * Use <code>int()</code> function to create new integers, <code>isInt()</code> to check if given object is integer,
+ * <code>inSafeRange()</code> to check if it is safe to convert given value to native number,
+ * <code>toNumber()</code> and <code>toString()</code> to convert given integer to number or string respectively.
  * @access public
  * @exports Integer
  * @class A Integer class for representing a 64 bit two's-complement integer value.