rpmrebuild 2.16-1 (stable) released

rpmrebuild is a tool to build an RPM file from a package that has already been installed.

this release fixes some bugs :

• fix bug if more than 10 args (thanks Dmitry V. Levin)
• add signal trapping to clean directory
• fix warnings from shellcheck
• fix problem when rebuild filesystem package (builroot not a directory)
• fix installation test for kernel and multi-arch packages