Add documentation on uniprops and update uniprop

to say it returns a Bool for Boolean Unicode properties

doc/Type/Cool.pod6

@@ -858,21 +858,36 @@ C<$pattern> is applied to the remaining characters of C<$string>.
     say "perL 6".samecase("A__a__"); # Perl 6
     say "pERL 6".samecase("Ab");     # Perl 6
 
-=head2 method uniprop
+=head2 routine uniprop
 
 Defined as:
     sub uniprop(Str(Cool), |c)
-    method uniprop(|c)
+    sub uniprop(Int:D $code, Stringy:D $propname)
+    sub uniprop(Str, $propname, Stringy:D $propname)
+    method uniprop(|c) { uniprop(self, |c)
 
 Interprets the invocant as a L<Str|/type/Str>, and returns the
 L<unicode property|http://userguide.icu-project.org/strings/properties> of the first
 character. If no property is specified returns the
 L<General Category|https://en.wikipedia.org/wiki/Unicode_character_property#General_Category>.
+Returns a Bool for Boolean properties.
 
     say 'a'.uniprop; # Ll
     say '1'.uniprop; # Nd
-    say 'a'.uniprop('Alphabetic'); # 1
-    say '1'.uniprop('Alphabetic'); # 0
+    say 'a'.uniprop('Alphabetic'); # True
+    say '1'.uniprop('Alphabetic'); # False
+
+=head2 routine uniprops
+
+Defined as:
+    sub uniprops(Str:D $str, Stringy:D $propname = "General_Category")
+
+Interprets the invocant as a L<Str|/type/Str>, and returns the
+L<unicode property|http://userguide.icu-project.org/strings/properties> for each character
+as a Seq. If no property is specified returns the
+L<General Category|https://en.wikipedia.org/wiki/Unicode_character_property#General_Category>.
+Returns a Bool for Boolean properties. Similar to L<uniprop|/routine/uniprop>
+
 
 =head2 routine uniname