[bleeter] Pushed amd64 stabilisation back 45 days

Waiting on upstream to stabilise tweepy.
[termtool] Pushed amd64 stabilisation back 60 days

Waiting on upstream to stabilise prettytable.
Updated metadata cache for upstream's eclass changes
Merge branch 'feat/amd64_keywording'

* feat/amd64_keywording:
  [termtool] Pushed amd64 stabilisation back 60 days
  [bleeter] Pushed amd64 stabilisation back 45 days
[Hammertime] Use $PYTHON_USEDEP, where possible

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Manifest-Sign-Key: C0174749
[hubugs] Use $PYTHON_USEDEP, where possible

Package-Manager: portage-2.1.11.62
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[pw] Use $PYTHON_USEDEP, where possible

Package-Manager: portage-2.1.11.62
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[pytrainer] Use $PYTHON_USEDEP, where possible

Package-Manager: portage-2.1.11.62
Manifest-Sign-Key: C0174749
[sphinxcontrib-ansi] Use $PYTHON_USEDEP, where possible

Package-Manager: portage-2.1.11.62
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[Attest] Use $PYTHON_USEDEP, where possible

Package-Manager: portage-2.1.11.62
Manifest-Sign-Key: C0174749
[behave] Use $PYTHON_USEDEP, where possible

Package-Manager: portage-2.1.11.62
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[freshen] Use $PYTHON_USEDEP, where possible

Package-Manager: portage-2.1.11.62
Manifest-Sign-Key: C0174749
[nose2] Use $PYTHON_USEDEP, where possible

Package-Manager: portage-2.1.11.62
Manifest-Sign-Key: C0174749
[termtool] Use $PYTHON_USEDEP, where possible

Package-Manager: portage-2.1.11.62
Manifest-Sign-Key: C0174749
[blockdiag] Use $PYTHON_USEDEP, where possible

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[bleeter] Use $PYTHON_USEDEP, where possible

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Manifest-Sign-Key: C0174749
[httpshell] Use $PYTHON_USEDEP, where possible

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[cupage] Use $PYTHON_USEDEP, where possible

Package-Manager: portage-2.1.11.62
Manifest-Sign-Key: C0174749
[jsonpipe] Use $PYTHON_USEDEP, where possible

Package-Manager: portage-2.1.11.62
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[pyhumod] Use $PYTHON_USEDEP, where possible

Package-Manager: portage-2.1.11.62
Manifest-Sign-Key: C0174749