Miscellaneous fixes and test updates for all the other changes

- http::LINE_ENDING is now an &'static str

src/header/shared/util.rs

@@ -9,7 +9,7 @@ pub fn from_one_raw_str<T: str::FromStr>(raw: &[Vec<u8>]) -> Option<T> {
         return None;
     }
     // we JUST checked that raw.len() == 1, so raw[0] WILL exist.
-    match str::from_utf8(unsafe { raw[].unsafe_get(0)[] }) {
+    match str::from_utf8(raw[0][]) {
         Ok(s) => str::FromStr::from_str(s),
         Err(_) => None
     }
@@ -22,7 +22,7 @@ pub fn from_comma_delimited<T: str::FromStr>(raw: &[Vec<u8>]) -> Option<Vec<T>>
         return None;
     }
     // we JUST checked that raw.len() == 1, so raw[0] WILL exist.
-    from_one_comma_delimited(unsafe { raw.as_slice().unsafe_get(0).as_slice() })
+    from_one_comma_delimited(raw[0][])
 }
 
 /// Reads a comma-delimited raw string into a Vec.