Staying one step ahead of a planned Thursday vote on his future with the Philadelphia Parking Authority, Vince Fenerty Jr. resigned from his executive director post late Wednesday. His decision to step down, however, far from ends the whirlwind surrounding the PPA over its handling of his employment and the sexual harassment claims made against him by at least two former employees. The former executive director, who got that role in 2005, is set to receive a hefty pension for his three decades…