Expose Class and Endian in the public interface.

These types are exposed in the FileHeader type and so they should also be accessible
for users to inspect.

src/lib.rs

@@ -76,4 +76,6 @@ mod parse;
 pub use file::File;
 #[cfg(feature = "std")]
 pub use parse::CachedReadBytes;
+pub use parse::Class;
+pub use parse::Endian;
 pub use parse::ParseError;

src/parse.rs

@@ -196,7 +196,7 @@ impl core::fmt::Display for Endian {
     }
 }
 
-/// Represents the ELF file data format (little-endian vs big-endian)
+/// Represents the ELF file word size (32-bit vs 64-bit)
 #[derive(Debug, Copy, Clone, PartialEq, Eq)]
 pub enum Class {
     ELF32,