#442 (Jul 13, 2020, 8:13:50 PM)

PR #1503: add SolSavingEnvironment, h...

	Changes add SolSavingEnvironment, halving pickle size (commit: 7d04828) (details / githubweb)
	GitHub pull request #1503 of commit 7d048284405fd7c790f20469c4008d660a94f62d, no merge conflicts.
	Test Result (9 failures / ±0) gpkit.tests.from_paths.TestFiles.test_gpkitmodels_GP_aircraft_motor_motor_test_py_mosek_cli gpkit.tests.from_paths.TestFiles.test_gpkitmodels_GP_aircraft_motor_motor_test_py_mosek_conif gpkit.tests.from_paths.TestFiles.test_solar_npod_trade_py_mosek_cli gpkit.tests.from_paths.TestFiles.test_solar_npod_trade_py_mosek_conif gpkit.tests.from_paths.TestFiles.test_solar_season_py_mosek_cli gpkit.tests.from_paths.TestFiles.test_solar_season_py_mosek_conif gpkit.tests.from_paths.TestFiles.test_solar_sens_chart_py_mosek_cli gpkit.tests.from_paths.TestFiles.test_solar_sens_chart_py_mosek_conif gpkit.tests.from_paths.TestFiles.test_gpkitmodels_GP_aircraft_motor_motor_test_py_cvxopt