def managePom(update=False):
    from xml.etree import ElementTree as et
    ns = "http://maven.apache.org/POM/4.0.0"
    et.register_namespace('', ns)
    tree = et.ElementTree()
    tree.parse('pom.xml')
    p = tree.getroot().find("{%s}version" % ns)
    if update:
        p.text = update
        tree.write('pom.xml')
    else:
        return p.text