make test names more expressive
add new db extesnion: dbBulkCopy
make test names more expressive
new test : write and read dates
add log4net dll
add database name as an argumnt for the connection
fix bug : SqlServerCloneConnection
SqlExcpetion : function that parse .net SqlServer excepetion and give a mart line.
comment transaction code
remove collateral db. TEST_RSQLSERVER default db
new tests for dbReadtable:
* significant message error if table don't exist
* reopen connection if connection is already closed
new tests:

*  dbReadTable: read rownames in the exact type
*  dbBulkCopy :save POSIXct , read it again as POSIXct