Consistency Update

[kgryte]

• support for accessor
• handle empty array
• adds dotfiles
• additional tests
• return null if provided an empty array
• validation modules
• remove preamble
• license info

Resolves compute-io/todo#79

[coveralls]

Coverage remained the same at 100.0% when pulling 99cc871 on develop into 2d88b66 on master.

[coveralls]

Coverage remained the same at 100.0% when pulling 99cc871 on develop into 2d88b66 on master.

[coveralls]

Coverage remained the same at 100.0% when pulling 1cb4131 on develop into 2d88b66 on master.

[coveralls]

Coverage remained the same at 100.0% when pulling 1cb4131 on develop into 2d88b66 on master.

[coveralls]

Coverage remained the same at 100.0% when pulling 1cb4131 on develop into 2d88b66 on master.

[coveralls]

Coverage remained the same at 100.0% when pulling 81d15f7 on develop into 2d88b66 on master.