add function count

`lineNumber` should probably be `lineCount` (number suggests an ordinal, e.g. third line)

Author: tborychowski

src/analyse.js

@@ -32,7 +32,8 @@ module.exports = function analyse (fileRef){
         path            : fileRef,
         escapedPath     : fileRef.replace(/\\/g, '\\'), // windows use
         complexity      : report.aggregate.cyclomatic,
-        lineNumber      : report.aggregate.sloc.logical,
+        lineCount       : report.aggregate.sloc.logical,
+        functionCount   : report.functions.length,
         maintainability : Math.round(report.aggregate.halstead.effort),
         halstead        : {
           length         : report.aggregate.halstead.length,
@@ -46,4 +47,4 @@ module.exports = function analyse (fileRef){
 
   ;
 
-};
+};