Set min winheight to 1, for definite this time (#84)

Author: joonty

plugin/python/vdebug/ui/vimui.py

@@ -273,7 +273,7 @@ def set_height(self,height):
         minheight = vim.eval("&winminheight")
         if height < minheight:
             height = minheight
-        if height < 0:
+        if height <= 0:
             height = 1
         self.command('set winheight=%s' % str(height))