Static utility class with following methods:
    HippoBean getBean(comp, request, path)
    String getParameter(comp, request, paramName, defaultValue)
    int getParameterInt(comp, request, paramName, defaultValue)
    boolean getParameterBoolean(comp, request, paramName)
    boolean getParameterBoolean(comp, request, paramName, defaultValue)
    List<String> getParameterList(comp, request, paramName)
    String getLocalParameter(comp, request, paramName, defaultValue)
    int getLocalParameterInt(comp, request, paramName, defaultValue)
    boolean getLocalParameterBoolean(comp, request, paramName, defaultValue)
    int getRequestParameterInt(request, paramName, defaultValue)
    String getPublicRequestParameter(comp, request, paramName, defaultValue)
    int getPublicRequestParameterInt(comp, request, paramName, defaultValue)
    String[] getPublicRequestParameters(comp, request, paramName)