Serializable trees (#11)

Clean up #4. Now everything is moved to the new design.

Cargo.toml

@@ -8,15 +8,26 @@ license = "MIT OR Apache-2.0"
 repository = "https://github.com/domenicquirl/cstree"
 
 [dependencies]
-serde = { version = "1.0.89", optional = true, default-features = false }
 lasso = "0.4.1"
 text-size = "1.0.0"
 fxhash= "0.2.1"
 servo_arc = { path = "vendor/servo_arc" }
 parking_lot= "0.11.1"
 
+[dependencies.serde]
+version = "1.0"
+optional = true
+default-features = false
+features = ["derive"]
+
 [dev-dependencies]
 m_lexer = "0.0.4"
+serde_json = "1.0.61"
+serde_test = "1.0.119"
 
 [features]
-serde1 = ["serde", "text-size/serde"]
+default = []
+serde1 = ["serde", "servo_arc/servo"]
+
+[package.metadata.docs.rs]
+features = ["serde1"]