update elements and fix some bugs

lib/src/prism/components/prism-c.js

 Prism.languages.c = Prism.languages.extend('clike', {
         'keyword': /\b(asm|typeof|inline|auto|break|case|char|const|continue|default|do|double|else|enum|extern|float|for|goto|if|int|long|register|return|short|signed|sizeof|static|struct|switch|typedef|union|unsigned|void|volatile|while)\b/,
-        'operator': /\-[>-]?|\+\+?|!=?|<<?=?|>>?=?|==?|&&?|\|?\||[~^%?*\/]/
+        'operator': /\-[>-]?|\+\+?|!=?|<<?=?|>>?=?|==?|&&?|\|?\||[~^%?*\/]/,
+        'number': /\b-?(?:0x[\da-f]+|\d*\.?\d+(?:e[+-]?\d+)?)[ful]*\b/i
 });
 
 Prism.languages.insertBefore('c', 'string', {
         'macro': {
                 // allow for multiline macro definitions
                 // spaces after the # character compile fine with gcc
                 pattern: /(^\s*)#\s*[a-z]+([^\r\n\\]|\\.|\\(?:\r\n?|\n))*/im,
                 lookbehind: true,
                 alias: 'property',
                 inside: {
                         // highlight the path of the include statement as a string
                         'string': {
                                 pattern: /(#\s*include\s*)(<.+?>|("|')(\\?.)+?\3)/,
                                 lookbehind: true
                         }
                 }
         }
 });
 
 delete Prism.languages.c['class-name'];
-delete Prism.languages.c['boolean'];
+delete Prism.languages.c['boolean'];