Jsonnet-PHP 1.3.1

• Merged formatting cleanups for README from google.
• Rename class from JsonNet to Jsonnet.

Jsonnet-PHP 1.3.0

• Update Lib JsonNet use v0.10.0.
• Support PHP 7.

Jsonnet-PHP 1.2.0

• Fixed issue #4, pecl install failed.
• Update Lib JsonNet use v0.9.5.
• Add function JsonNet::fmtFile.
• Add function JsonNet::fmtSnippet.

JsonNet-PHP v1.1.0

• Update Lib JsonNet use v0.8.9.
• Fixed issue #1 #2, install error and .so load failed.

JsonNet-PHP v1.0.0

update README and package.xml