Update README regarding PHP 7 compat

Use error_clear_last() on PHP 7

Instead of the ugly undefined variable hack

Release version 2.0.0 beta 1

Drop test failing on HHVM

Can readd if Travis ever updates the HHVM version again, I
remember this being fixed ages ago.

Split up pretty printer test in stmt/expr

The list was getting unweildly.

Also improve error message when parsing fails in pretty printer
test and extend some tests.

Multiple init test for for loop

More PrettyPrinter tests

Add option for short array syntax in pretty printer

Fix autoloader path in php-parse

Need to go up another directory...

Add php-parse as composer bin

Renaming from php-parse.php to just php-parse to follow the usual
conventions.

Not tested.

Fix XML serialization test

I have no idea why this suddenly turned up *now*

Specify phpunit dev dependency in composer.json

And use it for the travis build.

Merge branch '1.x'

Conflicts:
grammar/rebuildParsers.php
lib/PhpParser/Parser.php

Fix issue #227

Use \z instead of $.

Only advertize install via composer

Now that it's so small, move installation docs into readme.

Use composer PSR-4 autoloader

Add nightly to travis, use container based infra

Currently 7.0 and nightly are the same, but for the future...

TravisCI - stop allowing to failture PHP7

Use more helpful code test names

Update group use support

To conform with current PHP 7 implementation

* Allow use \Foo\{Bar};
* Disallow use Foo\{\Bar};
* Disallow missing trailing semicolon (that was a bu

Update group use support

To conform with current PHP 7 implementation

* Allow use \Foo\{Bar};
* Disallow use Foo\{\Bar};
* Disallow missing trailing semicolon (that was a bug)

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Release PHP-Parser 2.0 Alpha 1

Various docs fixes

Update changelog

Merge branch '1.x'

Conflicts:
CHANGELOG.md
composer.json
test/PhpParser/ParserTest.php

Prepare PHP-Parser 1.4.0 release