Implement a proper request tokenizer

src/commands/connection_settings/binary_limit.rs

@@ -1,6 +1,9 @@
-use crate::commands::{
-    Command, Request, RequestParserError, RequestParserResult, ResponseAttributes,
-    ResponseParserError,
+use crate::{
+    request_tokenizer::RequestTokenizer,
+    commands::{
+        Command, Request, RequestParserError, RequestParserResult, ResponseAttributes,
+        ResponseParserError,
+    },
 };
 
 pub struct BinaryLimit;
@@ -14,7 +17,7 @@ impl Command for BinaryLimit {
         format!("{} {}", Self::COMMAND, request)
     }
 
-    fn parse_request(mut parts: std::str::SplitWhitespace<'_>) -> RequestParserResult<'_> {
+    fn parse_request(mut parts: RequestTokenizer<'_>) -> RequestParserResult<'_> {
         let limit = parts.next().ok_or(RequestParserError::UnexpectedEOF)?;
         let limit = limit
             .parse()