Parents in a Lower Manhattan neighborhood are holding their kids a little closer since The Post revealed convicted pedophiles are continuing to live near local playgrounds. While cops are keeping a better eye on the area, the sickos still roam around free, forcing disgusted moms and dads to remain hypervigilant. “I don’t know what New York has become,” said EJ, a 40-year-old neighborhood mom, as she recently pushed her young daughter on a swing in Hester Street Playground. The kiddie hot spot