Fix compatible version list (#18)

Co-authored-by: JonnyOThan <[email protected]>

Author: drewcassidy

KSPCommon.targets

@@ -23,7 +23,7 @@
   <!-- Use CKAN to install mods for any references tagged with a CKAN Identifier -->
   <Target Name="CKANInstall">
     <ItemGroup>
-      <CKANCompatibleVersionItems Include="@(CKANCompatibleVersions->';%(Identity)')"/>
+      <CKANCompatibleVersionItems Include="$(CKANCompatibleVersions.Split(' '))"/>
     </ItemGroup>
     <Exec Command="ckan compat add --headless --gamedir $(KSPROOT) %(CKANCompatibleVersionItems.Identity)" Condition=" '$(CKANCompatibleVersions)' != '' "/>
     <Exec Command="ckan install --no-recommends --headless --gamedir $(KSPROOT) %(Reference.CKANIdentifier)" Condition=" '%(Reference.CKANIdentifier)' != '' "/>