Bamum name aliases (#1051)

* Centralize and fix age comparison

* Use the right props

* sign

* Just say no to strings

* ::

* Four name aliases from unicode-org/sah#587

Author: eggrobin

unicodetools/data/ucd/dev/NameAliases.txt

@@ -323,6 +323,10 @@ FEFF;ZWNBSP;abbreviation
 122D5;CUNEIFORM SIGN NU11 OVER NU11 BUR OVER BUR;correction
 12327;CUNEIFORM SIGN KALAM;correction
 1680B;BAMUM LETTER PHASE-A MAEMGBIEE;correction
+16881;BAMUM LETTER PHASE-B PUNGGAAM;correction
+1688E;BAMUM LETTER PHASE-B NGGOM;correction
+168DC;BAMUM LETTER PHASE-C SHETFON;correction
+1697D;BAMUM LETTER PHASE-E NGGOP;correction
 16E56;MEDEFAIDRIN CAPITAL LETTER H;correction
 16E57;MEDEFAIDRIN CAPITAL LETTER NG;correction
 16E76;MEDEFAIDRIN SMALL LETTER H;correction