v0.2.1

Fix a few bugs with inbuilt functions that make the SOM appear to not function properly

What's Changed

• improve plot_mU_matrix function by @LuisSanchez25 in #30
• Change c som order by @LuisSanchez25 in #31
• Bump version to 0.2.0 by @LuisSanchez25 in #32
• remove strax/straxen dependancies by @LuisSanchez25 in #33
• add optional hist, needs to be incorporated in kSOM as well by @LuisSanchez25 in #34
• added if histories true to save in nf by @LuisSanchez25 in #35
• fix track bug by @LuisSanchez25 in #36
• fix bug by @LuisSanchez25 in #37

Full Changelog: v0.2.0...v0.2.1