drop support of gcl
add NEWS file
Merge branch 'master' into develop
add tests
safer implementation of util functions
rm miscommetted file
add related projects to README
tabify
make ql install fast
handle interactive interrupt
don't use shebang because ccl has problem for now
add mode indicator
handle condition
fix bug
add NEWS
add newline
* show news after cim installation
* partially import git downloader from # 10