Bump project version and update release notes.

Author: AlexGhiondea

src/CommandLine.csproj

@@ -7,9 +7,9 @@
   </PropertyGroup>
 
   <PropertyGroup>
-    <AssemblyVersion>2.0.0</AssemblyVersion>
+    <AssemblyVersion>2.1.0</AssemblyVersion>
     <FileVersion>$(AssemblyVersion)</FileVersion>
-    <VersionPrefix>2.0.0</VersionPrefix>
+    <VersionPrefix>2.1.0</VersionPrefix>
   </PropertyGroup>
 
   <PropertyGroup>
@@ -18,7 +18,8 @@
     <PackageRequireLicenseAcceptance>False</PackageRequireLicenseAcceptance>
     <Authors>Alex Ghiondea</Authors>
     <Description>Parse command line arguments into user defined objects</Description>
-    <releaseNotes>Fix an issue where the argument name in an exception was the wrong one.</releaseNotes>
+    <releaseNotes>Fix an issue where TryParse returns true when parsing help which leads to a null reference later.
+    Also ensure that Parse throws a ParseException when the help was requested to ensure we don't end up with null options after parsing.</releaseNotes>
     <Copyright>Alex Ghiondea (c) 2019</Copyright>
     <PackageLicenseUrl>https://raw.githubusercontent.com/AlexGhiondea/CommandLine/master/LICENSE</PackageLicenseUrl>
     <PackageProjectUrl>https://github.com/AlexGhiondea/CommandLine</PackageProjectUrl>