old_contents: {
    "targets": [
      {
        "target_name": "lmdb-queue",
  	  "include_dirs" : [
          "<!(node -e \"require('nan')\")",
          "deps"
        ],
        "dependencies": [
          "<(module_root_dir)/deps/lmdb.gyp:lmdb"
        ],
        "sources": [
          "src/module.cc",
          "src/env.cc",
          "src/topic.cc",
          "src/consumer.cc",
          "src/producer.cc"
        ],
        "conditions": [
          [
            "OS == 'win'", {
              "defines": [
                "_HAS_EXCEPTIONS=0"
              ],
              'msvs_settings': {
                'VCCLCompilerTool': {
                  'RuntimeTypeInfo': 'false',
                  'EnableFunctionLevelLinking': 'true',
                  'ExceptionHandling': '2',
                  'DisableSpecificWarnings': [ '4267' ]
                }
              }
            }
          ],
          [
            "OS=='linux'", {
              "cflags_cc": [ "-std=c++11" ],
              "ldflags": ["-static-libstdc++"]
            }
          ],
          [
            'OS == "mac"', {
              'xcode_settings': {
                'MACOSX_DEPLOYMENT_TARGET': '10.7',
                'OTHER_CPLUSPLUSFLAGS': [
                    '-std=c++11' ,
                    '-stdlib=libc++'
                ]
              }
            }
          ]
        ]
      }
    ]
  }
new_contents: {
    "targets": [
      {
        "target_name": "lmdb-queue",
  	  "include_dirs" : [
          "<!(node -e \"require('nan')\")",
          "deps"
        ],
        "dependencies": [
          "<(module_root_dir)/deps/lmdb.gyp:lmdb"
        ],
        "sources": [
          "src/module.cc",
          "src/env.h",
          "src/env.cc",
          "src/topic.h",
          "src/topic.cc",
          "src/consumer.h",
          "src/consumer.cc",
          "src/producer.h"
          "src/producer.cc"
          "src/wrapper.h"
        ],
        "conditions": [
          [
            "OS == 'win'", {
              "defines": [
                "_HAS_EXCEPTIONS=0"
              ],
              'msvs_settings': {
                'VCCLCompilerTool': {
                  'RuntimeTypeInfo': 'false',
                  'EnableFunctionLevelLinking': 'true',
                  'ExceptionHandling': '2',
                  'DisableSpecificWarnings': [ '4267' ]
                }
              }
            }
          ],
          [
            "OS=='linux'", {
              "cflags_cc": [ "-std=c++11" ],
              "ldflags": ["-static-libstdc++"]
            }
          ],
          [
            'OS == "mac"', {
              'xcode_settings': {
                'MACOSX_DEPLOYMENT_TARGET': '10.7',
                'OTHER_CPLUSPLUSFLAGS': [
                    '-std=c++11' ,
                    '-stdlib=libc++'
                ]
              }
            }
          ]
        ]
      }
    ]
  }
subject: add header files to proj.