Merge branch 'dev' into pullrequests

CHANGELOG.md

pulse_lib/base_pulse.py

pulse_lib/configuration/iq_channels.py

pulse_lib/configuration/physical_channels.py

pulse_lib/examples/configuration/__init__.py

pulse_lib/examples/example_IQ_correction.py

pulse_lib/examples/example_init.py

pulse_lib/examples/example_layered_virtual_matrix.py

pulse_lib/examples/example_t_measure_sweep.py

pulse_lib/examples/example_virtual_IQ_multiple_segments.py

pulse_lib/examples/utils/__init__.py

pulse_lib/keysight/M3202A_uploader.py

pulse_lib/keysight/qs_uploader.py

pulse_lib/keysight/sequencer_device.py

pulse_lib/segments/conditional_segment.py

pulse_lib/segments/data_classes/data_generic.py

pulse_lib/segments/data_classes/data_pulse.py

pulse_lib/segments/segment_IQ.py

pulse_lib/segments/segment_base.py

pulse_lib/segments/segment_container.py