considered the case when Xor has same symbol returned false
used multiset so that for odd number of x it will give x and for even no of x false
testcases added and code refined according to PEP8
trailing space removed
Patch for issue #3051. Supports sympification of lambda
Fixed trailing whitespace issue in sympy_parser
Added test case from issue #3051
Fixed PEP8 violations caused by eariler commits
Added args testsand fixed PEP
Merge branch 'master' into test_lambda
 Added tests for kwargs and keyword errors
install package changed
Merge pull request #2977 from sammyshj/master

Install package changed
Add Sambuddha Basu to AUTHORS/aboutus/.mailmap. Welcome to SymPy!
add Examples text to docstring and shorten line
make Abs args canonical wrt sign
add new Min-replacement pattern to compute_cdf

If you don't do this you might get alternate results

https://travis-ci.org/smichr/sympy/jobs/19850479 shows the failure in
a run where 3 of the 4 python versions passed but one failed.
slight refactoring in MinMaxBase and XXX re canonical args
Merge pull request #2945 from zeel/zeel

considered the case when Xor has same symbol returned false
Merge pull request #2983 from smichr/pat

add new Min-replacement pattern to compute_cdf