Minor changes

- use functions instead of lambda
- dont use color for non-terminal tty's
- add --temp argument for blendfile_pack

bam/cli.py

@@ -1382,6 +1382,7 @@ class bam_commands:
                 all_deps=all_deps,
                 compress_level=compress_level,
                 report=report,
+                use_variations=True,
                 filename_filter=filename_filter,
                 ):
             pass