Replaces superseded rows
replacement_entries(x, j_helper, row_to_add_replacement, e_df_replacement)
a data frame containing entries updated to include new rows from row_to_add_replacement and to not contain rows from e_df_replacement, based on j_helper
a data frame of entries, either df_helper_2 or Entries
an integer denoting which element of e_df_replacement is under test for removal. Should be 1, 2, 3 or 4 depending on the minimum number of entries
a row containing an improved entry that should be added to x
a data frame of entries that may be replaced