bump version and add ORCID

DESCRIPTION

@@ -1,10 +1,12 @@
 Package: enviGCMS
 Type: Package
 Title: GC/LC-MS Data Analysis for Environmental Science
-Version: 0.3.5
+Version: 0.4.0
 Date: 2017-07-05
-Authors@R: person("Miao","YU", email =
-    "[email protected]", role = c("aut", "cre"))
+Authors@R: person(given = "Miao", family = "YU",
+        role = c("aut", "cre"), 
+        email = "[email protected]",
+        comment = c(ORCID = "0000-0002-2804-6014"))
 Maintainer: Miao YU <[email protected]>
 Description: Gas/Liquid Chromatography-Mass Spectrometer(GC/LC-MS) Data Analysis for Environmental Science. This package covered topics such as raw data process, molecular isotope ratio, matrix effects, batch correction, mass defect filter, etc. in environmental analysis.
 URL: https://github.com/yufree/enviGCMS