NuSpec and README updated.

Author: gsscoder

nuget/CommandLine.nuspec

@@ -2,7 +2,7 @@
 <package xmlns='http://schemas.microsoft.com/packaging/2010/07/nuspec.xsd'>
     <metadata>
         <id>CommandLineParser</id>
-        <version>1.9.7</version>
+        <version>1.9.71</version>
         <title>Command Line Parser Library</title>
         <authors>Giacomo Stelluti Scala</authors>
         <description>The Command Line Parser Library offers to CLR applications a clean and concise API for manipulating command line arguments and related tasks.</description>

nuget/readme.txt

@@ -1,5 +1,5 @@
-Command Line Parser Library 1.9.7 stable
-----------------------------------------
+Command Line Parser Library 1.9.71.2 stable
+------------------------------------------
 Giacomo Stelluti Scala
 (gsscoder@gmail.com)