Implement Karr definition for summations with reversed limits (issue 3175)
Add elliptic integrals E and K to the Meijer-G tables
Manually tuned expansion bases for K(z) and E(z)
Merge pull request #2165 from raoulb/elliptic_meijerg

Add elliptic integrals E and K to the Meijer-G tables
Merge pull request #2202 from skirpichev/3175-karr-sum

Implement Karr definition for summations with reversed limits (issue 3175)
Test for the Karr summation convention
Merge pull request #2203 from raoulb/test_karr_convention

Test for the Karr summation convention
(Retroactively) add Acebulf to AUTHORS/aboutus. Welcome to SymPy!
(Retroactively) add Case Van Horsen to AUTHORS/aboutus. Welcome to SymPy!
(Retroactively) add Max Hutchinson to the AUTHORS/aboutus. Welcome to SymPy!
Add hacman to the AUTHORS/aboutus. Welcome to SymPy!
(Retroactively) add Shravas K Rao to the AUTHORS/aboutus file. Welcome to SymPy!
Update .mailmap

Now it and the AUTHORS file are completely up-to-date.