data general

add_person()
getline instead of cin >>

print()
update formated output

user_find ()
finds user and sends it to print
some more data for testing
file general

sign_is_good () & generate_sign ()
generate_sign generates signature based on name.
If sign_is_good (), signature is accepted and vector is updated with
the new signature.

find_signature ()
locates position of requested signature. if found, function returns
position else it returns -1.
p_find

updated with search option
p_find

updated menu output for p_find option
is_space

is_space is used in generate_signature.
It is used to strip strings on spaces.