Crates io (#76)

* crates re-organisation

* fixed typo in layout & added test for vmp_apply

* updated dependencies

poulpy-hal/src/oep/mod.rs

@@ -0,0 +1,15 @@
+mod module;
+mod scratch;
+mod svp_ppol;
+mod vec_znx;
+mod vec_znx_big;
+mod vec_znx_dft;
+mod vmp_pmat;
+
+pub use module::*;
+pub use scratch::*;
+pub use svp_ppol::*;
+pub use vec_znx::*;
+pub use vec_znx_big::*;
+pub use vec_znx_dft::*;
+pub use vmp_pmat::*;