Added support for TimeSpan to GenericQuoter
Added support for TimeSpan to MySqlQuoter
Added support for TimeSpan to OracleQuoter
Test GenericQuoter
Test MySqlQuoter
Test OracleQuoter
Fix access level
Fix TimeSpanIsFormattedQuotes in QuoterTest
Fix MySql do not support Milliseconds
Fix MySqlQuoterTest  quote value char
Fix OracleQuoterTest
Merge pull request #540 from spaccabit/FixInsertExpressionTimeSpanProperty

  Fix OracleQuoterTest
  Fix MySqlQuoterTest  quote value char
  Fix MySql do not support Milliseconds
  Fix TimeSpanIsFormattedQuotes in QuoterTest
  Fix access level
  Test OracleQuoter
  Test MySqlQuoter
  Test GenericQuoter
  Added support for TimeSpan to OracleQuoter
  Added support for TimeSpan to MySqlQuoter
  Added support for TimeSpan to GenericQuoter