Add set comprehensions, dict comprehensions and generator expressions

[olasd]

Closes: #14 (woo, two-digit tickets)

[coveralls]

Coverage increased (+0.17%) when pulling 8bfa4f3 on olasd:feature/genexpr into da59b20 on hylang:master.

[coveralls]

Coverage decreased (-0.35%) when pulling 8bfa4f3 on olasd:feature/genexpr into da59b20 on hylang:master.

[paultag]

Slick look. Nice refactor. Was going to suggest that if you didn't manage to do it (should have known)

Has ACK. Nice work.

[theanalyst]

+1, very nice to have generator expressions & dict comprehensions

On Thu, Jan 16, 2014 at 8:21 AM, Paul Tagliamonte
notifications@github.comwrote:

Slick look. Nice refactor. Was going to suggest that if you didn't manage
to do it (should have known)

Has ACK. Nice work.

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[algernon]

Looks sweet. 👍

[paultag]

Someone merge the damn thing :)
On Jan 16, 2014 5:45 AM, "Gergely Nagy" notifications@github.com wrote:

Looks sweet. [image: 👍]

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[Foxboron]

👍