Fix: Exception thrown when space occurs after function name

Fix issue #123

We can calculate where the function parameters starts by using
node.parameters.pos and adding one.

Author: NeoReyad

lib/ast-converter.js

@@ -1048,7 +1048,6 @@ module.exports = function(ast, extra) {
             case SyntaxKind.GetAccessor:
             case SyntaxKind.SetAccessor:
             case SyntaxKind.MethodDeclaration:
-
                 // TODO: double-check that these positions are correct
                 var methodLoc = ast.getLineAndCharacterOfPosition(node.name.end + 1),
                     nodeIsMethod = (node.kind === SyntaxKind.MethodDeclaration),
@@ -1058,7 +1057,7 @@ module.exports = function(ast, extra) {
                         generator: false,
                         expression: false,
                         body: convertChild(node.body),
-                        range: [ node.name.end, result.range[1]],
+                        range: [ node.parameter.pos + 1, result.range[1]],
                         loc: {
                             start: {
                                 line: methodLoc.line + 1,