Create docs with Py3.7

See merge request inducer/pymbolic!24

Placate modern Flake8

See merge request inducer/pymbolic!23

Add Pytest/JUnit/Gitlab integration

See merge request inducer/pymbolic!22

Fix test that used sympy antipattern

Closes #8

See merge request inducer/pymbolic!21

calling a symbol which resulted in a Function was introduced
as a workaround for sympy internals and these were fixed in sympy 1.3
and calling a symbol was removed.

Fix interaction between CSEs and flop counts, add CSEAwareFlopCounter

See merge request !20

tests: skip tests if maxima not available

See merge request inducer/pymbolic!19

Implement a LaTeX mapper

See merge request inducer/pymbolic!18

Fix, test order of operations in shift stringification (closes #6 on gitlab)

Closes #6

See merge request inducer/pymbolic!17

[bugfix] Correct mod implementation for right operand being 1

See merge request inducer/pymbolic!16

In fact x % 1 is 0, not x.

Un-pickling of `CallWithKwargs`.

See merge request inducer/pymbolic!15