SingleStore Connector/ODBC 1.1.7

• Fix SQLGetData for reading BIGINT data with SQL_C_DEFAULT output parameter type
• Add option to use WCHAR types to read fields asked with SQL_C_DEFAULT in SQLGetData
• Fix skipping error if it comes after the result set
• Misc fixes for metadata methods and some other:
  • Remove SQL_AUTO_IS_NULL usage
  • Fix setting connection charset
  • Cap LONGTEXT size by 1 GB in MADB_SetIrdRecord and MADB_PROCEDURE_COLUMNS
  • Resolve TODOSs in SQLColumns
  • Fix precision for Double and Float
  • Fix SQLGetTypeInfo for VARCHAR