Flatland

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- py3 fix: only give a list to _set_flat()
- release scripts:

- support twine for uploading
- support signing the sdist with Qubes OS

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- ported to python 3, now supports python 2.7, 3.4, 3.5, 3.6, 3.7
- tox/travis: add testing on py34/35/36/37
- Makefile: "make release", fixes 47
- docs: fix logo path, fixes 46
- translated to german

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- drop support for python < 2.7, fixes 16
- github is our new home, add .gitignore
- add requirements.d/develop.txt to ease development requirements installation
- update i18n: regenerate .pot, update .po, remove unused strings
- add setuptools_scm for versioning and manifest, fixes 18
- Makefile: clean up, version related stuff done by setuptools_scm now
- setup.py: use print() to enable running tox with py3
- use travis-ci for py27 and pypy27, 0 failing tests now
- doctests:

- fix JoinedString - bad type check
- fix Sequence/Array test: we can not rely on dict order
- fix genshi/jinja2 tests
- fix path for template loader
- SetWith(Known|All)Fields: policy=None to avoid setter fail
- validation.containers.SetWithKnownFields comment/disable failing test,
see 25
- NotDuplicated: import List to avoid NameError
- flatland.validation.string.NANPphone does not exist, removed docs
- docs:

- update year, change version from .hg-tip to .git-master
- README: add links section with updated links

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- drop support for python < 2.6, do some preps for py3
- validation.IsEmail.nonlocal has been renamed to non_local for
Python 3 compatibility.
- .set() now emits element_set signal
- flatland.Form deprecated by flatland.Schema
- flatland.SparseSchema is a declarative Schema backed by SparseDict
- schema.forms moved to schema.declarative
- Element.find_child renamed to Element.find_one
- Removed flatland.ext (example credit card type)
- Removed NAN related example validators
- Deprecated Element.el is removed (use .find and .find_one)
- Usage of deferred_module has been retired
- Dict.policy is deprecated by Element.raw and new standard validators

As 0.8.0 release was done after a long time with no releases, this list might
be incomplete.

For more details or older history, please refer to git log.