Update README for the next release

Author: ratajs

README.md

@@ -5,19 +5,20 @@ Divide two numbers using recurring decimals
 
 Import code:
 <code>
-  import 'AdvDiv.dart'; 
+  import 'AdvDiv.dart';
 </code>
 
 
 You can use the `advdiv` function with this syntax:
 
 <code>
-  advdiv(double n1, double n2, int r, String rstr = "[", String rstr2 = "]")
+  advdiv(String n1, String n2, String minstr = "-", String decstr = ".", String rstr = "[", String rstr2 = "]")
 </code>
 
 * n1 – first number
 * n2 – second number
-* r – recurring decimals of the first number (default 0)
+* minstr – string representing the minus sign (default "-")
+* decstr – string separating the decimal digits (default ".")
 * rstr1 – string to be inserted before recursive decimals (default "[")
 * rstr2 – string to be inserted after recursive decimals (default "]")
 
@@ -29,7 +30,7 @@ You can also use it as a console application (download it from the “Releases
 <pre>$ ./advdiv 1 7
 0.[142857]</pre>
 
-<pre>$ ./advdiv 123.1 7.54 24
+<pre>$ ./advdiv "123.1[24]" 7.54
 16.[329475122578570854432923398440639819950164777750984647536371674302708785467406157061]</pre>
 
 Learn more: <https://advdiv.ratajs.cz>