Added REGEX pattern for contains and interface

Added REGEX patterns for string array initialization

Added custom Error for subprogram not found

Join procedures_dictionary lists into a single search_array

Refactored get_type_of_contents and get_structure_member for pointers to procedures

Check that it's not external and use vault.get_derived_type_constructor instead of vault.get_procedure_by_name

Get arguments from READ() by using the CallManager.find_call_arguments()

Fill the accessible_var dictionary for the main procedure

Avoid misleading errors by removing the indexing before searching the variable