v0.1.6

Extents v0.1.6

Diff since v0.1.5

Merged pull requests:

• add NamedTuple constructor (#43) (@rafaqz)
• add docs for use of reduce (#47) (@alex-s-gardner)
• Beautify read me (#48) (@alex-s-gardner)
• Add single argument predicates (#49) (@rafaqz)

Closed issues:

• Extents.contains returns the wrong result (#41)
• Extent intersection with different dimensionality (#45)
• support extent of extents (#46)