Fix improvement windowing
Fix improvement windowing

lspector/Clojush,Vaguery/Clojush,saulshanabrook/Clojush,NicMcPhee/Clojush,thelmuth/Clojush,thelmuth/Clojush,NicMcPhee/Clojush,saulshanabrook/Clojush,lspector/Clojush,Vaguery/Clojush