update version to 1.0.4

Author: b3b00

sly/sly.csproj

@@ -3,7 +3,7 @@
     <TargetFrameworks>netcoreapp1.0;net45</TargetFrameworks>
     <Description>#LY is a parser generator halfway between parser combinators and parser generator like ANTLR</Description>
 	<Authors>b3b00</Authors>
-  <version>1.0.3</version>
+  <version>1.0.4</version>
 	<PackageProjectUrl>https://github.com/b3b00/sly</PackageProjectUrl>
 	<RepositoryUrl>https://github.com/b3b00/sly</RepositoryUrl>
 	<PackageLicenseUrl>https://github.com/b3b00/sly/blob/master/LICENSE</PackageLicenseUrl>