Don't add space between power and unary ops

Closes #289
diff --git a/CHANGELOG b/CHANGELOG
index dfdd185..693cb7d 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -13,6 +13,9 @@
 ## Changed
 - Turn "verification" off by default for external APIs.
 
+## Fixed
+- Don't add space after power operator if the next operator's a unary operator.
+
 ## [0.11.1] 2016-08-17
 ### Changed
 - Issue #228: Return exit code 0 on success, regardless of whether files were