changed string concatenation in rename_assembly to use format style rather than the "+" operator
changed string concatenation in rename_assembly to use format style rather than the "+" operator

agacek/camkes-tool,agacek/camkes-tool,smaccm/camkes-tool,smaccm/camkes-tool,agacek/camkes-tool,smaccm/camkes-tool,smaccm/camkes-tool