Fix dependencies

Author: termoshtt

Cargo.toml

@@ -10,10 +10,10 @@ keywords = ["ndarray", "lapack", "matrix"]
 license = "MIT"
 
 [dependencies]
-ndarray = "0.6.8"
-lapack = "0.11.0"
-num-traits = "0.1.36"
+ndarray = "^0.6"
+lapack = "^0.11"
+num-traits = "^0.1"
 
 [dev-dependencies]
-rand = "0.3.14"
-ndarray-rand = "0.2.0"
+rand = "^0.3"
+ndarray-rand = "^0.2"