Lmm/add seeds in more algorithms (#164)

* Provide better output in flaky tests

* feat: add seed parameter to multiple algorithms

* Update changelog

Co-authored-by: Luis Moreno <morenol@users.noreply.github.com>

src/lib.rs

@@ -101,3 +101,5 @@ pub mod readers;
 pub mod svm;
 /// Supervised tree-based learning methods
 pub mod tree;
+
+pub(crate) mod rand;