Merge branch 'release/0.8.1'
Merge branch 'develop'
Hot fix for broken test in master
make TypedPipe, KeyedList and Grouped covariant in T
add TODOs for aggregator type variance
add comment re invarance of scala Set type parameter
fix type parameter of operate in Grouped.reduce
Fixes buggy fromMillisecs
actually fixes
Added Fields object to constructor of local TextLine, to match the Fields of hadoop TextLine
Changed default Fields of local TextLine to offset instead of num
Merge pull request #271 from mklich/develop

Default Fields of TextLine for Local and Hadoop don't match
adds some methods, improve the tests
Merge pull request #265 from asiegel34/typed-pipe-type-variance

make TypedPipe, KeyedList and Grouped covariant in T
Merge pull request #269 from johnynek/bugfix/fromMillisecs

Fixes buggy fromMillisecs
Update docs/versions for 0.8.2
Merge branch 'release/0.8.2'
Merge branch 'release/0.8.2' into develop
Fix chill version
Merge branch 'develop'