Added a semver class

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src/semver.rs

@@ -0,0 +1,31 @@
+//! # SemVer
+
+//! A simple Semantic Versioning struct to handle comparisons and ordering
+
+// Uses
+use std::fmt;
+
+#[derive(Clone, Ord, PartialOrd, Eq, PartialEq)]
+pub struct SemVer {
+    pub major: i32,
+    pub minor: i32,
+    pub patch: i32,
+}
+
+impl fmt::Display for SemVer {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        write!(f, "{}.{}.{}", self.major, self.minor, self.patch)
+    }
+}
+
+impl From<&str> for SemVer {
+    fn from(s: &str) -> SemVer {
+        let v: Vec<&str> = s.split('.').collect();
+
+        SemVer {
+            major: v[0].parse().unwrap(),
+            minor: v[1].parse().unwrap(),
+            patch: v[2].parse().unwrap(),
+        }
+    }
+}