STY: Adding more inverse docstring
STY: Clarifying
CLN/API: deprecate read_stc

This addresses #406.
Closes #406.
ENH: complete drpecation
ENH: update tests
FIX: import read_stc
FIX: Fix tests
Merge pull request #621 from Eric89GXL/inv-table

STY: Adding more inverse doctoring
STY: Cleaning up test warnings
Merge pull request #622 from Eric89GXL/deprecate_read_stc

ENH: Deprecate read stc