Make Net.Code.Csv target .NET 4.0
target .net 4; added some xml comments; cosmetics
Added LICENSE.txt
added .DotSettings to .gitignore
Merge branch 'net40' of https://github.com/jdh28/Net.Code
fixed project file
modified project config and nuspec to target both 4.0 and 4.5
command line commands for building and packaging
Updated README