Adding Named Range support.
Added Named Ranges to Companies spreadsheets.
Added Named Ranged test cases.
Added Named Range methods.
Changes for Named Range support.
Include new Named Range tests.
referencing log4net through its NuGet package
Merge branch 'master' of https://github.com/nkilian/LinqToExcel into nkilian-master
Merge branch 'nkilian-master'
can scope query to only include data within named ranges
added log4net as a dependency in the NuGet config file
removing log4net.dll from nuget lib folder