Added public procedures in CHANGELOG.md

Author: jvdp1

CHANGELOG.md

@@ -4,8 +4,16 @@ Features available from the latest git source
 
 - new module `stdlib_hash_32bit`
   [#573](https://github.com/fortran-lang/stdlib/pull/573)
+  - new procedures: `fibonacci_hash`, `fnv_1_hash`, 
+    `fnv_1a_hash`, `new_nmhash32_seed`, `new_nmhash32x_seed`, 
+    `new_water_hash_seed`, `nmhash32`, `nmhash32x`, `odd_random_integer`,
+    `universal_mult_hash`, and `water_hash`
 - new module `stdlib_hash_64bit`
   [#573](https://github.com/fortran-lang/stdlib/pull/573)
+  - new procedures: `fibonacci_hash`, `fnv_1_hash`, `fnv_1a_hash`,
+    `new_pengy_hash_seed`, `new_spooky_hash_seed`,
+    `odd_random_integer`, `pengy_hash`, `spooky_hash`, `spookyhash_128`, and
+    `universal_mult_hash`
 - new module `stdlib_distribution_uniform`
   [#272](https://github.com/fortran-lang/stdlib/pull/272)
 - new module `stdlib_selection`