Add v3.1.8 to changelog [skip ci]

Dane Springmeyer · Dane Springmeyer · commit ec48376615a0 · 2016-10-27T09:28:40.000-07:00
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## 3.1.8
+
+- Added support for node v7 (pre-compiled binaries available)
+
 ## 3.1.7
 
 - Upgrade sqlite to 3.15, enable FTS4, FTS5 (@wmertens)
