code: public String getRecentMinor(String major) {
  		if (major == null) {
  			return null;
  		}
  		prepareDetailedVersions();
  		
  		if (majors.containsKey(major) && majors.get(major).size() > 0) {
  			return majors.get(major).get(0);
  		} 
  		
  		return null;
  	}
docs: Returns the recent minor version for the given major version or null
  if neither major version or no minor version exists.
  
  @param major
  @return