Most of the refactor. Need to switch machines.

crates/pom/src/lib.rs

@@ -0,0 +1,25 @@
+pub mod error;
+pub mod xml;
+
+pub use error::{Error, Result};
+
+use serde::{Deserialize, Serialize};
+
+#[derive(Debug, Clone, Deserialize, Serialize, PartialEq, Eq)]
+pub struct Pom {
+    model_version: semver::Version,
+}
+
+impl Pom {
+    pub fn is_empty(&self) -> bool {
+        self == &Self::default()
+    }
+}
+
+impl Default for Pom {
+    fn default() -> Self {
+        Self {
+            model_version: semver::Version::new(4, 0, 0),
+        }
+    }
+}