0.4.0.0

• depend on microlens
• compatibility with foldl 1.2.

0.3.4.0

• removed lens-family dependency.
• solved bom problem.

0.3.3.0

• Made it compile in GHC 7.8.4.

0.3.2.0

• Added "eachLine" function.

0.3.1.0

• Solved bug in "combined", added a test.

0.3.0.0

• Dropped unneeded deps.

0.2.3.0

• More efficient Applicative for Fold2

0.2.0.0

• Added folds of two Producers.
• Name changes.