Some changes
Changed the number of script boxes from 20 to 50
Changed the method to hook the functions called
Save the scripts on close
New supported function onScriptCallback

# Please enter the commit message for your changes. Lines starting
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# Date:      Mon Mar 18 15:22:19 2019 -0300
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# On branch master
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# Changes to be committed:
#	modified:   scriptsManager.lua
#	modified:   scriptsManager.otui
#	modified:   utils.lua
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#	scriptsManager-mod.rar
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