Frank Cerasa says he's got to take a pause and think about whether he wants to pursue legal action against the Town of Amherstburg after it revoked his candidacy in this fall's election for mayor.Cerasa said he thought he had the required 25 signatures when he filed his nomination papers three and a half months ago.Two and a half hours after the nomination deadline had passed, he said he got a call from the town's clerk informing him that he act…