ExaConnection
- Added read-only [`.options`](/docs/REFERENCE.mdoptions) property holding original arguments used to create ExaConnection object.
- Added read-only [`.login_info`](/docs/REFERENCE.mdlogin_info) property holding response data of LOGIN command.
- Added documentation for read-only [`.attr`](/docs/REFERENCE.mdattr) property holding attributes of current connection (autocommit state, etc.).
- Removed undocumented `.meta` property, renamed it to `.login_info`.
- Removed undocumented `.last_stmt` property. Please use [`.last_statement()`](/docs/REFERENCE.mdlast_statement) function instead.
- Removed most of exposed properties related to connection options (e.g. `.autocommit`). Please use `.options` or `.attr` instead.
ExaStatement
- Added documentation for read-only [`.execution_time`](/docs/REFERENCE.mdexecution_time) property holding wall-clock execution time of SQL statement.