coerce(number) will coerce to a string

Author: isaacs

semver.js

@@ -1541,6 +1541,10 @@ function coerce (version, options) {
     return version
   }
 
+  if (typeof version === 'number') {
+    version = String(version)
+  }
+
   if (typeof version !== 'string') {
     return null
   }

test/coerce.js

@@ -103,7 +103,8 @@ test('\ncoerce tests', function (t) {
       r('1')(16) + '.' + r('2')(16) + '.' + r('3')(16)],
     ['1.2.3.' + r('4')(252) + '.5', '1.2.3'],
     ['1.2.3.' + r('4')(1024), '1.2.3'],
-    [r('1')(17) + '.4.7.4', '4.7.4']
+    [r('1')(17) + '.4.7.4', '4.7.4'],
+    [10, '10.0.0'],
   ].forEach(function (tuple) {
     var input = tuple[0]
     var expected = tuple[1]