Merge branch 'release/0.1.0'
PGPKeyring.key now stores the current state before setting a new state, and then restores the previous state during cleanup. This can allow managed blocks to be nested without breaking anything, which will be useful when I implement subkey reselection per issue #72
fixed a typo
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Merge pull request #75 from palbee/develop

Changed yield in keys method so that an "as alias" clause may be used within the...
moved FileLoader to types.py; moved KeyCollection to keys.py
only need to do one PEP8 test, so removed the redundancy
added two tests to test setup.py using pip, to ensure that it actually installs as intended
overrode deps for setup and setup27; added a second command to make sure
fixes ERROR: Unknown environment "pep8"
grep didn't work; added -e flag to pip install for setup and setup27
this directive should be upload_docs, not upload_sphinx
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needed to be pointed at html
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documentation
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updated README.rst again
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Merge branch 'develop'
now working on 0.3.0
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removed reg.Magic as it was no longer needed, moved ASCII_BLOCK to the only method that uses it
new autodoc options
updated unit tests
turned FileLoader into an abstract base class
replaced PGPBlock with new abstract base class PGPObject
updated PGPSignature enough to load existing signatures using the new ABC scheme
moved PGPKey to keys, for now
removed PGPBlock
commented out pgpload for now