Modified OdbcConnection. Added connectrionWith… and initWith… Added setUnsignedLong in OdbcParameterDescription. Changed to  SQL_C_SBIGINT in selLongValue. Added getUnsignedLong and getUnsignedLongByName in OdbcStatement. Changed to SQL_C_SBIGINT in getLong. Rewrote AppDelegate in OdbcExample. Updated unit tests. Corrected readme.markdown.