<li>ash: fix very weak $RANDOM generator
<li>ash: prevent exec NN>&- from closing fd used for script reading
<li>ash: teach ash about 123>file. It could take only 0..9 before
- <li>hush: add #defines to switch off break/continue if loops are not supported
- <li>hush: delete unused field in struct child. Reinstate needed check for invalid syntax
<li>hush: fix a case where "$@" must expand to no word at all
<li>hush: fix mishandling of a'b'c=fff as assignments. They are not
<li>hush: fix non-detection of builtins and applets in "v=break; ...; $v; ..." case