Entity: added constructor
Encoder: fixed encoding of Entity
tests: files renamed
Decoder: fixed parameter $indent, FALSE means inline parser, NULL means block parser

Conflicts:
	src/Neon/Decoder.php
Decoder: added checking for bad indentation
Decoder: added support for key-after-bullet syntax:

- key1: val
  key2: val
Decoder: allowed local combinations of tabs and spaces
composer.json: requires iconv
tests: removed @author