moving version into a single spot
adding xmlupdate task to update version in .nuspec file
Revert "moving version into a single spot"

This reverts commit 027a67719414c14778c94e00fa3175841ddd2b10.
removing msbuildtasks package
adding custom build task
adding NuSpecUpdateTask to RestSharp.csproj
Moving build task into separate project

The assembly kept getting locked preventing me from rebuilding. Now when you run package.cmd, it will run the custom MSBuild task and create a computed nuspec file
removing hardcoded version number from tests

I had added 104.2.0 as the expected value which would break the tests with future versions. It has now been replaced with a regex.
Merge pull request #405 from pseudomuto/auto_package_and_version

fix for #378 auto-package and version