command: fix factual discrepancy in the comment

Signed-off-by: Jan Pokorný <jpokorny@redhat.com>
command: fix factual discrepancy in the name of a variable

Signed-off-by: Jan Pokorný <jpokorny@redhat.com>
command: remove futile/NOOP usage of args2sgpl

Signed-off-by: Jan Pokorný <jpokorny@redhat.com>
format: make passing protocol/protodecl optional

It is usually not used internally to allow "1 function, more roles"
anyway.

Signed-off-by: Jan Pokorný <jpokorny@redhat.com>
utils: arg2wrapped: make sure list on input is on output

Previously, the list was deconstructed and reconstructed as a tuple.

Signed-off-by: Jan Pokorný <jpokorny@redhat.com>
formats/command: use "chained" facility as a DRY measure

Signed-off-by: Jan Pokorný <jpokorny@redhat.com>
formats/command: turn condition test O(n) to O(1)

Signed-off-by: Jan Pokorný <jpokorny@redhat.com>
formats/command: bytestring->merged: normalize: -a=b -> -a, b

Signed-off-by: Jan Pokorný <jpokorny@redhat.com>
formats/command: plug "dict" protocol in

Signed-off-by: Jan Pokorný <jpokorny@redhat.com>
utils_prog: add and use "Popen with logging"

Signed-off-by: Jan Pokorný <jpokorny@redhat.com>
run-tests: fix positioning of --verbose

Signed-off-by: Jan Pokorný <jpokorny@redhat.com>
format: HASHALGO default is set in defaults.py/setup.cfg

Signed-off-by: Jan Pokorný <jpokorny@redhat.com>
utils: properly rehash filterdict_* functions

Signed-off-by: Jan Pokorný <jpokorny@redhat.com>
command_manager: sanitize _init_plugins -> _resolve kwargs passing

Signed-off-by: Jan Pokorný <jpokorny@redhat.com>
plugin_registry: better approach in PluginManager.lookup

Signed-off-by: Jan Pokorný <jpokorny@redhat.com>
plugin_registry: sanitize kwargs passing in init_lookup

Signed-off-by: Jan Pokorný <jpokorny@redhat.com>
plugin_registry: allow loading dir/__init__.py as well

Signed-off-by: Jan Pokorný <jpokorny@redhat.com>
doc/env_vars.txt: start documenting env. variables

Signed-off-by: Jan Pokorný <jpokorny@redhat.com>
Bump version to 0.1.6

Signed-off-by: Jan Pokorný <jpokorny@redhat.com>