* master:
  wendelin.core v0.13
  tox -= Python3.5
  Fix build for Python 3.7
  tox: ZODB5.test.util needs mock
  tox: v↑ NumPy to 2 latest releases
  bigfile/zodb: Resync _ZBigFileH to Connection.transaction_manager on every connection reopen
  t/qemu-runlinux: Issue terminal init before running program
  t/qemu-runlinux: Kernel verbosity control via -v

Let's keep on test coverage for last 2 stable Python releases.