Update CHANGELOG: added missing 1.1.0 contributor

added contributor from merged PR #149

Author: orbeckst

CHANGELOG

@@ -13,7 +13,7 @@ The rules for this file:
   * accompany each entry with github issue/PR number (Issue #xyz)
 
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-??/??/???? IAlibay, ollyfutur, conradolandia, orbeckst
+??/??/???? IAlibay, ollyfutur, conradolandia, orbeckst, PlethoraChutney
   * 1.1.0
 
   Changes