Issue #16: Keep gofmt happy

properties.go

diff --git a/properties.go b/properties.go
index e7e0104..50209d8 100644
--- a/properties.go
+++ b/properties.go
@@ -632,14 +632,14 @@
 
 // Merge merges properties, comments and keys from other *Properties into p
 func (p *Properties) Merge(other *Properties) {
-	for k,v := range other.m {
+	for k, v := range other.m {
 		p.m[k] = v
 	}
-	for k,v := range other.c {
+	for k, v := range other.c {
 		p.c[k] = v
 	}
 
-	outer:
+outer:
 	for _, otherKey := range other.k {
 		for _, key := range p.k {
 			if otherKey == key {