cext: unconditionally use PyLong_FromLong()
We no longer support Python 2.
Differential Revision: https://phab.mercurial-scm.org/D12223
cext: drop preprocessor PyInt aliases
Now that we dropped support for Python 2 we can use the Python 3 native
functions.
Differential Revision: https://phab.mercurial-scm.org/D12222
cext: remove Python 2 module initializer functions
We no longer need these since we dropped support for Python 2.
Differential Revision: https://phab.mercurial-scm.org/D12221
rhg: simplify the handling of share-safe config mismatch
Differential Revision: https://phab.mercurial-scm.org/D12213
Added signature for changeset
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