final private -> private

Hhvm 4.88 (#24)

* Replace travis with github actions

* Remove calls to assert

* Remove travis config

* Test on hhvm 4.62

* Execution permissions

array -> varray typehint

Update permitted dependencies

This allows the newer hsl-experimental.

refs #22

Add MethodNotAllowedException::getAllowedMethods() (#13)

Support `disallow_array_literal` (#17)

* Support `disallow_array_literal`

* Enable strict options that introduce test failures

* Require HHVM 4.25 for HHI support of array_literal

* Test on composer.json version of hhvm

require HHVM 4.18+

add missing apc_fetch() argument

instanceof -> is_a

Add type hints to lambda parameters.

Summary: required for .hhconfig disallow_ambiguous_lambda.

Signed-off-by: Arthur Loiret <arthur.loiret@emerton-data.com>