Allow development in VS2010

Solution & project file amendments only
Closes #192 - Add Equal to IWhereSingleColumn
Closes #193 - Add GreaterThan to IWhereSingleColumn
Closes #194 - Add GreaterThanOrEqualTo to IWhereSingleColumn
Closes #195 - Add LessThan to IWhereSingleColumn
Closes #196 - Add LessThanOrEqualTo to IWhereSingleColumn
 to
Closes #197 - Add NotEqual to IWhereSingleColumn
Closes #213 - Add Like to IWhereSingleColumn
Merge pull request #214 from DavidSteele/develop

Develop