message: Impl FromStr for PropertyListClass
diff: use std::fmt::{self, Debug};
  use std::ops::Deref;
  use std::ptr;
  +use std::str::FromStr;
  use libhdf5_sys::h5p::{
  H5Pcopy, H5Pequal, H5Pexist, H5Pget_class, H5Pget_class_name, H5Pget_nprops, H5Piterate,
  @@ -130,6 +131,14 @@ impl Into<String> for PropertyListClass {
  }
  }
  +impl FromStr for PropertyListClass {
  + type Err = Error;
  +
  + fn from_str(s: &str) -> Result<Self> {
  + Self::from_str(s)
  + }
  +}
  +
  impl PropertyList {
  pub fn has(&self, property: &str) -> bool {
  to_cstring(property)
  