adding T-SQL UDF helper functions
adding T-SQL UDF helper functions

GetNode - returns the inner-most set of elements from a table and
returns them as JSON
ToJson - This was the former name of the current CLR-UDF now known as
"JSqlSerializer". This is now the name given to the new T-SQL scalar UDF
which assembles a tabular result set of data as a JSON string

jgcoding/J-SQL