diff --git a/package-lock.json b/package-lock.json
index e91d593..48444c1 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -80,13 +80,12 @@
       "integrity": "sha512-7evsyfH1cLOCdAzZAd43Cic04yKydNx0cF+7tiA19p1XnLLPU4dpCQOqpjqwokFe//vS0QqfqqjCS2JkiIs0cA=="
     },
     "adler-32": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/adler-32/-/adler-32-1.0.0.tgz",
-      "integrity": "sha1-KHKKcXVvYpZm3RZTzYB5Op3xhlE=",
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/adler-32/-/adler-32-1.2.0.tgz",
+      "integrity": "sha1-aj5r8KY5ALoVZSgIyxXGgT0aXyU=",
       "requires": {
-        "concat-stream": "1.6.0",
-        "exit-on-epipe": "1.0.0",
-        "printj": "1.0.0"
+        "exit-on-epipe": "~1.0.1",
+        "printj": "~1.1.0"
       }
     },
     "after": {
@@ -632,21 +631,13 @@
       "integrity": "sha1-gWfBq4OX+1u5X5bSjlqBxQ8kesQ="
     },
     "cfb": {
-      "version": "0.10.3",
-      "resolved": "https://registry.npmjs.org/cfb/-/cfb-0.10.3.tgz",
-      "integrity": "sha1-OwvnFR0JugKIlKol+OuD8Nu+itk=",
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/cfb/-/cfb-1.2.0.tgz",
+      "integrity": "sha512-sXMvHsKCICVR3Naq+J556K+ExBo9n50iKl6LGarlnvuA2035uMlGA/qVrc0wQtow5P1vJEw9UyrKLCbtIKz+TQ==",
       "requires": {
-        "commander": "2.9.0"
-      },
-      "dependencies": {
-        "commander": {
-          "version": "2.9.0",
-          "resolved": "https://registry.npmjs.org/commander/-/commander-2.9.0.tgz",
-          "integrity": "sha1-nJkJQXbhIkDLItbFFGCYQA/g99Q=",
-          "requires": {
-            "graceful-readlink": "1.0.1"
-          }
-        }
+        "adler-32": "~1.2.0",
+        "crc-32": "~1.2.0",
+        "printj": "~1.1.2"
       }
     },
     "chai": {
@@ -777,22 +768,18 @@
       "integrity": "sha1-DQcLTQQ6W+ozovGkDi7bPZpMz3c="
     },
     "codepage": {
-      "version": "1.3.8",
-      "resolved": "https://registry.npmjs.org/codepage/-/codepage-1.3.8.tgz",
-      "integrity": "sha1-Ty5dfAl13ij4hJgFjcta/KtqX3E=",
+      "version": "1.14.0",
+      "resolved": "https://registry.npmjs.org/codepage/-/codepage-1.14.0.tgz",
+      "integrity": "sha1-jL4lSBMjVZ19MHVxsP/5HnodL5k=",
       "requires": {
-        "commander": "2.9.0",
-        "concat-stream": "1.6.0",
-        "voc": "0.5.0"
+        "commander": "~2.14.1",
+        "exit-on-epipe": "~1.0.1"
       },
       "dependencies": {
         "commander": {
-          "version": "2.9.0",
-          "resolved": "https://registry.npmjs.org/commander/-/commander-2.9.0.tgz",
-          "integrity": "sha1-nJkJQXbhIkDLItbFFGCYQA/g99Q=",
-          "requires": {
-            "graceful-readlink": "1.0.1"
-          }
+          "version": "2.14.1",
+          "resolved": "https://registry.npmjs.org/commander/-/commander-2.14.1.tgz",
+          "integrity": "sha512-+YR16o3rK53SmWHU3rEM3tPAh2rwb1yPcQX5irVn7mb0gXbwuCCrnkbV5+PBfETdfg1vui07nM6PCG1zndcjQw=="
         }
       }
     },
@@ -814,7 +801,8 @@
     "colors": {
       "version": "0.6.2",
       "resolved": "https://registry.npmjs.org/colors/-/colors-0.6.2.tgz",
-      "integrity": "sha1-JCP+ZnisDF2uiFLl0OW+CMmXq8w="
+      "integrity": "sha1-JCP+ZnisDF2uiFLl0OW+CMmXq8w=",
+      "dev": true
     },
     "combined-stream": {
       "version": "0.0.7",
@@ -927,6 +915,7 @@
       "version": "1.6.0",
       "resolved": "https://registry.npmjs.org/concat-stream/-/concat-stream-1.6.0.tgz",
       "integrity": "sha1-CqxmL9Ur54lk1VMvaUeE5wEQrPc=",
+      "dev": true,
       "requires": {
         "inherits": "2.0.3",
         "readable-stream": "2.2.2",
@@ -936,12 +925,14 @@
         "isarray": {
           "version": "1.0.0",
           "resolved": "https://registry.npmjs.org/isarray/-/isarray-1.0.0.tgz",
-          "integrity": "sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE="
+          "integrity": "sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE=",
+          "dev": true
         },
         "readable-stream": {
           "version": "2.2.2",
           "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.2.2.tgz",
           "integrity": "sha1-qeb+w8fdqF+LsbO6cChgRVb8gl4=",
+          "dev": true,
           "requires": {
             "buffer-shims": "1.0.0",
             "core-util-is": "1.0.2",
@@ -1059,13 +1050,12 @@
       }
     },
     "crc-32": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/crc-32/-/crc-32-1.0.1.tgz",
-      "integrity": "sha1-Lvvdt8y7e+tNGBgDsQ4zopyf0hQ=",
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/crc-32/-/crc-32-1.2.0.tgz",
+      "integrity": "sha512-1uBwHxF+Y/4yF5G48fwnKq6QsIXheor3ZLPT80yGBV1oEUwpPojlEhQbWKVw1VwcTQyMGHK1/XMmTjmlsmTTGA==",
       "requires": {
-        "concat-stream": "1.6.0",
-        "exit-on-epipe": "1.0.0",
-        "printj": "1.0.0"
+        "exit-on-epipe": "~1.0.1",
+        "printj": "~1.1.0"
       }
     },
     "crc32-stream": {
@@ -2026,9 +2016,9 @@
       }
     },
     "exit-on-epipe": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/exit-on-epipe/-/exit-on-epipe-1.0.0.tgz",
-      "integrity": "sha1-9uBXnIIU0zoIEJ/W4uXB28cEY/w="
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/exit-on-epipe/-/exit-on-epipe-1.0.1.tgz",
+      "integrity": "sha512-h2z5mrROTxce56S+pnvAV890uu7ls7f1kEvVGJbw1OlFH3/mlJ5bkXu0KRyW94v37zzHPiUd55iLn3DA7TjWpw=="
     },
     "expand-brackets": {
       "version": "0.1.5",
@@ -2214,6 +2204,11 @@
       "resolved": "https://registry.npmjs.org/fast-levenshtein/-/fast-levenshtein-2.0.6.tgz",
       "integrity": "sha1-PYpcZog6FqMMqGQ+hR8Zuqd5eRc="
     },
+    "fflate": {
+      "version": "0.3.11",
+      "resolved": "https://registry.npmjs.org/fflate/-/fflate-0.3.11.tgz",
+      "integrity": "sha512-Rr5QlUeGN1mbOHlaqcSYMKVpPbgLy0AWT/W0EHxA6NGI12yO1jpoui2zBBvU2G824ltM6Ut8BFgfHSBGfkmS0A=="
+    },
     "figures": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/figures/-/figures-2.0.0.tgz",
@@ -2473,9 +2468,9 @@
       "integrity": "sha1-Ge+YdMSuHCl7zweP3mOgm2aoQ2M="
     },
     "frac": {
-      "version": "0.3.1",
-      "resolved": "https://registry.npmjs.org/frac/-/frac-0.3.1.tgz",
-      "integrity": "sha1-V3Z3t/3L5vr3xGHxgB00E3zaQ1Q="
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/frac/-/frac-1.1.2.tgz",
+      "integrity": "sha512-w/XBfkibaTl3YDqASwfDUqkna4Z2p9cFSr1aHDt0WoMTECnRfBOv2WArlZILlqgWlmdIlALXGpM2AOhEk5W3IA=="
     },
     "fraction.js": {
       "version": "4.0.4",
@@ -3519,9 +3514,9 @@
       },
       "dependencies": {
         "ms": {
-          "version": "2.1.2",
-          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
-          "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w=="
+          "version": "2.1.3",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
+          "integrity": "sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA=="
         },
         "semver": {
           "version": "5.7.1",
@@ -4608,9 +4603,9 @@
       }
     },
     "printj": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/printj/-/printj-1.0.0.tgz",
-      "integrity": "sha1-XDfebFdyo/7YRoOZwgY7WyJSiGc="
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/printj/-/printj-1.1.2.tgz",
+      "integrity": "sha512-zA2SmoLaxZyArQTOPj5LXecR+RagfPSU5Kw1qP+jkWeNlrq+eJZyY2oS68SU1Z/7/myXM4lo9716laOFAVStCQ=="
     },
     "process-nextick-args": {
       "version": "1.0.7",
@@ -5490,13 +5485,11 @@
       "dev": true
     },
     "ssf": {
-      "version": "0.8.2",
-      "resolved": "https://registry.npmjs.org/ssf/-/ssf-0.8.2.tgz",
-      "integrity": "sha1-udTcahwbz3b4q/qW19dlb7Kr7NY=",
+      "version": "0.11.2",
+      "resolved": "https://registry.npmjs.org/ssf/-/ssf-0.11.2.tgz",
+      "integrity": "sha512-+idbmIXoYET47hH+d7dfm2epdOMUDjqcB4648sTZ+t2JwoyBFL/insLfB/racrDmsKB3diwsDA696pZMieAC5g==",
       "requires": {
-        "colors": "0.6.2",
-        "frac": "0.3.1",
-        "voc": "0.5.0"
+        "frac": "~1.1.2"
       }
     },
     "sshpk": {
@@ -5958,7 +5951,8 @@
     "typedarray": {
       "version": "0.0.6",
       "resolved": "https://registry.npmjs.org/typedarray/-/typedarray-0.0.6.tgz",
-      "integrity": "sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c="
+      "integrity": "sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=",
+      "dev": true
     },
     "uid-number": {
       "version": "0.0.6",
@@ -6094,11 +6088,6 @@
         "extsprintf": "1.0.2"
       }
     },
-    "voc": {
-      "version": "0.5.0",
-      "resolved": "https://registry.npmjs.org/voc/-/voc-0.5.0.tgz",
-      "integrity": "sha1-vmynx25KV9kwzID2sx+9gMqGBFw="
-    },
     "w3c-hr-time": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/w3c-hr-time/-/w3c-hr-time-1.0.1.tgz",
@@ -6213,6 +6202,16 @@
         }
       }
     },
+    "wmf": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/wmf/-/wmf-1.0.2.tgz",
+      "integrity": "sha512-/p9K7bEh0Dj6WbXg4JG0xvLQmIadrner1bi45VMJTfnbVHsc7yIajZyoSoK60/dtVBs12Fm6WkUI5/3WAVsNMw=="
+    },
+    "word": {
+      "version": "0.3.0",
+      "resolved": "https://registry.npmjs.org/word/-/word-0.3.0.tgz",
+      "integrity": "sha512-OELeY0Q61OXpdUfTp+oweA/vtLVg5VDOXh+3he3PNzLGG/y0oylSOC1xRVj0+l4vQ3tj/bB1HVHv1ocXkQceFA=="
+    },
     "wordwrap": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-1.0.0.tgz",
@@ -6242,39 +6241,26 @@
       }
     },
     "xlsx": {
-      "version": "0.7.12",
-      "resolved": "https://registry.npmjs.org/xlsx/-/xlsx-0.7.12.tgz",
-      "integrity": "sha1-cUSDHY7NScBiFB98SJddGkAJiOQ=",
-      "requires": {
-        "adler-32": "1.0.0",
-        "cfb": "0.10.3",
-        "codepage": "1.3.8",
-        "commander": "2.9.0",
-        "crc-32": "1.0.1",
-        "jszip": "2.4.0",
-        "ssf": "0.8.2"
+      "version": "0.17.0",
+      "resolved": "https://registry.npmjs.org/xlsx/-/xlsx-0.17.0.tgz",
+      "integrity": "sha512-bZ36FSACiAyjoldey1+7it50PMlDp1pcAJrZKcVZHzKd8BC/z6TQ/QAN8onuqcepifqSznR6uKnjPhaGt6ig9A==",
+      "requires": {
+        "adler-32": "~1.2.0",
+        "cfb": "^1.1.4",
+        "codepage": "~1.14.0",
+        "commander": "~2.17.1",
+        "crc-32": "~1.2.0",
+        "exit-on-epipe": "~1.0.1",
+        "fflate": "^0.3.8",
+        "ssf": "~0.11.2",
+        "wmf": "~1.0.1",
+        "word": "~0.3.0"
       },
       "dependencies": {
         "commander": {
-          "version": "2.9.0",
-          "resolved": "https://registry.npmjs.org/commander/-/commander-2.9.0.tgz",
-          "integrity": "sha1-nJkJQXbhIkDLItbFFGCYQA/g99Q=",
-          "requires": {
-            "graceful-readlink": "1.0.1"
-          }
-        },
-        "jszip": {
-          "version": "2.4.0",
-          "resolved": "https://registry.npmjs.org/jszip/-/jszip-2.4.0.tgz",
-          "integrity": "sha1-SHqTt2w7/6bLCFzWHrk06r4tKU8=",
-          "requires": {
-            "pako": "0.2.9"
-          }
-        },
-        "pako": {
-          "version": "0.2.9",
-          "resolved": "https://registry.npmjs.org/pako/-/pako-0.2.9.tgz",
-          "integrity": "sha1-8/dSL073gjSNqBYbrZ7P1Rv4OnU="
+          "version": "2.17.1",
+          "resolved": "https://registry.npmjs.org/commander/-/commander-2.17.1.tgz",
+          "integrity": "sha512-wPMUt6FnH2yzG95SA6mzjQOEKUU3aLaDEmzs1ti+1E9h+CsrZghRlqEM/EJ4KscsQVG8uNN4uVreUeT8+drlgg=="
         }
       }
     },
diff --git a/package.json b/package.json
index 19741dd..c4172d3 100644
--- a/package.json
+++ b/package.json
@@ -38,7 +38,7 @@
     "underscore": "^1.7.0",
     "uniq": "^1.0.1",
     "v8-profiler": "^5.2.2",
-    "xlsx": "^0.7.12",
+    "xlsx": "^0.17.0",
     "zombie": "^5.0.5"
   },
   "devDependencies": {