Bump some versions to get num-traits support for i128.
--- a/Cargo.toml
+++ b/Cargo.toml:wq
@@ -28,7 +28,8 @@
rand = "0.3"
unix_socket = "0.5"
unicode-segmentation = "1.2"
-parse_int = "0.5"
+parse_int = "0.6"
+ndarray = "0.15.4"
unsegen = "0.3"
unsegen_signals = "0.3"