Bump version to v0.1.7

Winni Neessen · Winni Neessen · commit 3afc3f2c35ef · 2022-03-20T18:19:19.000+01:00
diff --git a/doc.go b/doc.go
@@ -2,4 +2,4 @@
 package mail
 
 // VERSION is used in the default user agent string
-const VERSION = "0.1.6"
+const VERSION = "0.1.7"
