v0.1.0

• StatementTimeout::for(PDO, ?Dialect) with apply(), within() and
  translate(): the remaining rasuvaeff/context budget as a server-enforced
  statement timeout on MySQL (MAX_EXECUTION_TIME hint), MariaDB
  (SET STATEMENT max_statement_time) and PostgreSQL (statement_timeout,
  SET LOCAL inside a transaction).
• Dialect enum, detected from the PDO driver and server version.