Update phrasing of 'Bin' and 'format' to 'object'

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

src/vm/bin.rs

@@ -10,7 +10,7 @@ use std::{
 pub const MAGIC: u64 = 0xDEAD_BEA7_BA5E_BA11;
 
 #[derive(Debug)]
-pub struct Bin {
+pub struct Object {
     header: Header,
     sections: Vec<Box<dyn Section>>,
 }
@@ -108,15 +108,15 @@ impl Section for MetaSection {
 }
 
 #[derive(Debug, Clone)]
-pub struct BinParser {
+pub struct ObjectParser {
     bytes: Cursor<Vec<u8>>,
 }
 
-impl BinParser {
-    pub fn parse(&mut self) -> Result<Bin> {
+impl ObjectParser {
+    pub fn parse(&mut self) -> Result<Object> {
         let header = self.parse_header()?;
         let sections = self.parse_sections()?;
-        Ok(Bin { header, sections })
+        Ok(Object { header, sections })
     }
 
     fn parse_header(&mut self) -> Result<Header> {

vm.md

@@ -195,9 +195,10 @@ wrapping around to 0.
 * Pop
 * More immediate stores?
 
-# Binary format
+# Binary object format
 
-The binary format is composed of a header followed by sections that make up the content of the blob.
+The binary object format is composed of a header followed by sections that make up the content of
+the object.
 
 ## Header
 
@@ -213,7 +214,7 @@ Total length: 128 bits
 
 ## Sections
 
-The rest of the content is a list of sections. A section's layout is a section header, followed by
+The rest of the object is a list of sections. A section's layout is a section header, followed by
 the section contents.
 
 ### Section header