Switch to split inclusive instead of manually-implemented full lines iterator.

src/intermediate/src_block.rs

@@ -1,6 +1,5 @@
 use crate::error::CustomError;
 
-use super::full_lines_iterator::GetFullLines;
 use super::registry::Registry;
 
 #[derive(Debug)]
@@ -15,7 +14,7 @@ impl ISrcBlock {
     ) -> Result<ISrcBlock, CustomError> {
         let lines = original
             .contents
-            .full_lines()
+            .split_inclusive('\n')
             .map(|s| s.to_owned())
             .collect();
         Ok(ISrcBlock { lines })