cleanup error text

Author: Jason Ramapuram

src/index.rs

@@ -129,7 +129,7 @@ pub fn rows(input: &Array, first: u64, last: u64) -> Result<Array, AfError> {
     let dims_err = input.dims();
     let dims = match dims_err {
         Ok(dim) =>  dim.clone(),
-        Err(e)  =>  panic!("Error unwrapping dims in row(): {}", e),
+        Err(e)  =>  panic!("Error unwrapping dims in rows(): {}", e),
     };
 
     index(input, &[Seq::new(first as f64, last as f64, 1.0)
@@ -140,7 +140,7 @@ pub fn col(input: &Array, col_num: u64) -> Result<Array, AfError> {
     let dims_err = input.dims();
     let dims = match dims_err {
         Ok(dim) =>  dim.clone(),
-        Err(e)  =>  panic!("Error unwrapping dims in row(): {}", e),
+        Err(e)  =>  panic!("Error unwrapping dims in col(): {}", e),
     };
 
     index(input, &[Seq::new(0.0, dims[0] as f64 - 1.0, 1.0)
@@ -151,7 +151,7 @@ pub fn cols(input: &Array, first: u64, last: u64) -> Result<Array, AfError> {
     let dims_err = input.dims();
     let dims = match dims_err {
         Ok(dim) =>  dim.clone(),
-        Err(e)  =>  panic!("Error unwrapping dims in row(): {}", e),
+        Err(e)  =>  panic!("Error unwrapping dims in cols(): {}", e),
     };
 
     index(input, &[Seq::new(0.0, dims[0] as f64 - 1.0, 1.0)