Add support for sequences in geometry methods
update issue numbers in some tests [skip ci]

See original issue describing the issues migration
at https://github.com/sympy/sympy/issues/7235
Merge pull request #7706 from smichr/issues

update issue numbers in some tests [skip ci]
Merge pull request #7670 from sarwarc/remote_branch

Added functionality of point to be accepted as tuple. Fixes #7669
Fized vectorzero bug
Fixed zero vector bug
Merge branch 'master' of https://github.com/sympy/sympy into basicvector