v1.18.0 - Updated references, updated documentation comments

Author: mihula

src/Directory.Build.props

@@ -9,10 +9,10 @@
     <Product>ProDotNetZip</Product>
     <Title>ProDotNetZip NET Standard</Title>
     <AssemblyDescription>ProDotNetZip NET Standard (fork of DotNetZip / Ionic's Zip Library) a library for handling zip archives.</AssemblyDescription>
-    <AssemblyVersion>1.17.0</AssemblyVersion>
-    <Version>1.17.0</Version>
-    <FileVersion>1.17.0</FileVersion>
-    <InformationalVersion>1.17.0</InformationalVersion>
+    <AssemblyVersion>1.18.0</AssemblyVersion>
+    <Version>1.18.0</Version>
+    <FileVersion>1.18.0</FileVersion>
+    <InformationalVersion>1.18.0</InformationalVersion>
 
     <NeutralLanguage>en-US</NeutralLanguage>
   </PropertyGroup>