Get rid of file-wide allow(dead_code) in object

Also, squash most of the warnings that came up as a result of this.

Signed-off-by: Alek Ratzloff <alekratz@gmail.com>

src/object.rs

@@ -1,8 +1,3 @@
-// TODO - remove this at some point.
-// I haven't gotten around to testing or working with this API yet and I don't
-// want it to clog the warnings yet.
-#![allow(dead_code)]
-
 use crate::syn::ast::SpStmt;
 use crate::vm::{error::*, machine::Machine};
 use crate::{scope::Scope, syn::span::Span, vm::inst::SpInst};
@@ -43,10 +38,6 @@ pub struct QuoteTable {
 }
 
 impl QuoteTable {
-    pub fn new() -> Self {
-        Default::default()
-    }
-
     pub fn insert(
         &mut self,
         span: Span,
@@ -122,7 +113,8 @@ impl Debug for BuiltinFn {
     fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
         write!(
             fmt,
-            "builtin function at {:#x}",
+            "builtin function {} at {:#x}",
+            self.name,
             (&self.fun as *const _ as usize)
         )
     }
@@ -216,6 +208,7 @@ impl FloatObj {
         }
     }
 
+    #[allow(dead_code)]
     pub fn value(&self) -> Float {
         self.value
     }
@@ -253,6 +246,7 @@ impl IntObj {
         }
     }
 
+    #[allow(dead_code)]
     pub fn value(&self) -> Int {
         self.value
     }
@@ -302,6 +296,7 @@ impl StrObj {
         }
     }
 
+    #[allow(dead_code)]
     pub fn value(&self) -> &String {
         &self.value
     }
@@ -339,6 +334,7 @@ impl QuoteObj {
         }
     }
 
+    #[allow(dead_code)]
     pub fn value(&self) -> Quote {
         self.value
     }
@@ -377,6 +373,7 @@ impl BuiltinFnObj {
         }
     }
 
+    #[allow(dead_code)]
     pub fn value(&self) -> &BuiltinFn {
         &self.value
     }