diff --git a/.travis.yml b/.travis.yml
index e0fef75..6bbdd8f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,5 @@
 language: python
 python:
-  - "2.7"
   - "3.6"
 install:
   - pip install pipenv
diff --git a/Pipfile.lock b/Pipfile.lock
index 257406d..28acf79 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -18,10 +18,10 @@
     "default": {
         "click": {
             "hashes": [
-                "sha256:29f99fc6125fbc931b758dc053b3114e55c77a6e4c6c3a2674a2dc986016381d",
-                "sha256:f15516df478d5a56180fbf80e68f206010e6d160fc39fa508b65e035fd75130b"
+                "sha256:2335065e6395b9e67ca716de5f7526736bfa6ceead690adf616d925bdc622b13",
+                "sha256:5b94b49521f6456670fdb30cd82a4eca9412788a93fa6dd6df72c94d5a8ff2d7"
             ],
-            "version": "==6.7"
+            "version": "==7.0"
         },
         "enum34": {
             "hashes": [
@@ -67,9 +67,10 @@
         },
         "itsdangerous": {
             "hashes": [
-                "sha256:cbb3fcf8d3e33df861709ecaf89d9e6629cff0a217bc2848f1b41cd30d360519"
+                "sha256:321b033d07f2a4136d3ec762eac9f16a10ccd60f53c0c91af90217ace7ba1f19",
+                "sha256:b12271b2047cb23eeb98c8b5622e2e5c5e9abd9784a153e9d8ef9cb4dd09d749"
             ],
-            "version": "==0.24"
+            "version": "==1.1.0"
         },
         "jinja2": {
             "hashes": [
@@ -86,11 +87,11 @@
         },
         "python-dateutil": {
             "hashes": [
-                "sha256:1adb80e7a782c12e52ef9a8182bebeb73f1d7e24e374397af06fb4956c8dc5c0",
-                "sha256:e27001de32f627c22380a688bcc43ce83504a7bc5da472209b4c70f02829f0b8"
+                "sha256:063df5763652e21de43de7d9e00ccf239f953a832941e37be541614732cdfc93",
+                "sha256:88f9287c0174266bb0d8cedd395cfba9c58e87e5ad86b2ce58859bc11be3cf02"
             ],
             "index": "pypi",
-            "version": "==2.7.3"
+            "version": "==2.7.5"
         },
         "redis": {
             "hashes": [
@@ -123,33 +124,26 @@
             ],
             "version": "==1.9.3"
         },
-        "base58": {
-            "hashes": [
-                "sha256:93fa54b615a7c406701a56e3d11c3a5defdbcd371f36c0452f1ac77623e42d16",
-                "sha256:c5fe8b00fab798b4a3393da6235bdecb143db505833e3f979890f7c6fc99f651"
-            ],
-            "version": "==1.0.0"
-        },
         "boto3": {
             "hashes": [
-                "sha256:2152e0da8098665e6a03bbbde1de1b4fafdef7151010d1f0e53693a3f2a1deb0",
-                "sha256:323660fd1aa9c95fe90003f44c5fc37cbb891a8b506fa346967d14edcbcb90a4"
+                "sha256:cd7052ca5afd327b2c4ea09d2766703b52314dab2f33eeca08c1a84c7adaed38",
+                "sha256:d99e944da4976400a5a80ae79a5c6ec6212ded4db6c4292b9d48228770fd7db1"
             ],
-            "version": "==1.9.4"
+            "version": "==1.9.33"
         },
         "botocore": {
             "hashes": [
-                "sha256:3b2cab368572ee987a6236321ddea491e4253c819009c87ebc9e42e60371e3ae",
-                "sha256:7834eba53c6bedea21eb76f25a39e477dede3a24aeb51ff19c0248ea8348f007"
+                "sha256:831ef636c525860644f9e322b4f23b0d5c2f959fd635281e4f4ed6d892495063",
+                "sha256:848c1f2600ce9e7f86ee769b7de1bd615d0b6c7ac9f123bd5555d8c15f7002fb"
             ],
-            "version": "==1.12.4"
+            "version": "==1.12.33"
         },
         "certifi": {
             "hashes": [
-                "sha256:376690d6f16d32f9d1fe8932551d80b23e9d393a8578c5633a2ed39a64861638",
-                "sha256:456048c7e371c089d0a77a5212fb37a2c2dce1e24146e3b7e0261736aaeaa22a"
+                "sha256:339dc09518b07e2fa7eda5450740925974815557727d6bd35d319c1524a04a4c",
+                "sha256:6d58c986d22b038c8c0df30d639f23a3e6d172a05c3583e766f4c0b785c0986a"
             ],
-            "version": "==2018.8.24"
+            "version": "==2018.10.15"
         },
         "cfn-flip": {
             "hashes": [
@@ -166,10 +160,10 @@
         },
         "click": {
             "hashes": [
-                "sha256:29f99fc6125fbc931b758dc053b3114e55c77a6e4c6c3a2674a2dc986016381d",
-                "sha256:f15516df478d5a56180fbf80e68f206010e6d160fc39fa508b65e035fd75130b"
+                "sha256:2335065e6395b9e67ca716de5f7526736bfa6ceead690adf616d925bdc622b13",
+                "sha256:5b94b49521f6456670fdb30cd82a4eca9412788a93fa6dd6df72c94d5a8ff2d7"
             ],
-            "version": "==6.7"
+            "version": "==7.0"
         },
         "docutils": {
             "hashes": [
@@ -192,10 +186,13 @@
             "version": "==0.16.0"
         },
         "futures": {
-            "hashes": [],
+            "hashes": [
+                "sha256:51ecb45f0add83c806c68e4b06106f90db260585b25ef2abfcda0bd95c0132fd",
+                "sha256:c4884a65654a7c45435063e14ae85280eb1f111d94e542396717ba9828c4337f"
+            ],
             "index": "pypi",
             "markers": "python_version < '3.0'",
-            "version": "==3.2.0"
+            "version": "==3.1.1"
         },
         "hjson": {
             "hashes": [
@@ -238,11 +235,11 @@
         },
         "python-dateutil": {
             "hashes": [
-                "sha256:1adb80e7a782c12e52ef9a8182bebeb73f1d7e24e374397af06fb4956c8dc5c0",
-                "sha256:e27001de32f627c22380a688bcc43ce83504a7bc5da472209b4c70f02829f0b8"
+                "sha256:063df5763652e21de43de7d9e00ccf239f953a832941e37be541614732cdfc93",
+                "sha256:88f9287c0174266bb0d8cedd395cfba9c58e87e5ad86b2ce58859bc11be3cf02"
             ],
             "index": "pypi",
-            "version": "==2.7.3"
+            "version": "==2.7.5"
         },
         "python-slugify": {
             "hashes": [
@@ -253,23 +250,26 @@
         },
         "pyyaml": {
             "hashes": [
-                "sha256:16b20e970597e051997d90dc2cddc713a2876c47e3d92d59ee198700c5427736",
-                "sha256:3262c96a1ca437e7e4763e2843746588a965426550f3797a79fca9c6199c431f",
-                "sha256:592766c6303207a20efc445587778322d7f73b161bd994f227adaa341ba212ab",
-                "sha256:5ac82e411044fb129bae5cfbeb3ba626acb2af31a8d17d175004b70862a741a7",
-                "sha256:827dc04b8fa7d07c44de11fabbc888e627fa8293b695e0f99cb544fdfa1bf0d1",
-                "sha256:bc6bced57f826ca7cb5125a10b23fd0f2fff3b7c4701d64c439a300ce665fff8",
-                "sha256:c01b880ec30b5a6e6aa67b09a2fe3fb30473008c85cd6a67359a1b15ed6d83a4",
-                "sha256:e863072cdf4c72eebf179342c94e6989c67185842d9997960b3e69290b2fa269"
+                "sha256:3d7da3009c0f3e783b2c873687652d83b1bbfd5c88e9813fb7e5b03c0dd3108b",
+                "sha256:3ef3092145e9b70e3ddd2c7ad59bdd0252a94dfe3949721633e41344de00a6bf",
+                "sha256:40c71b8e076d0550b2e6380bada1f1cd1017b882f7e16f09a65be98e017f211a",
+                "sha256:558dd60b890ba8fd982e05941927a3911dc409a63dcb8b634feaa0cda69330d3",
+                "sha256:a7c28b45d9f99102fa092bb213aa12e0aaf9a6a1f5e395d36166639c1f96c3a1",
+                "sha256:aa7dd4a6a427aed7df6fb7f08a580d68d9b118d90310374716ae90b710280af1",
+                "sha256:bc558586e6045763782014934bfaf39d48b8ae85a2713117d16c39864085c613",
+                "sha256:d46d7982b62e0729ad0175a9bc7e10a566fc07b224d2c79fafb5e032727eaa04",
+                "sha256:d5eef459e30b09f5a098b9cea68bebfeb268697f78d647bd255a085371ac7f3f",
+                "sha256:e01d3203230e1786cd91ccfdc8f8454c8069c91bee3962ad93b87a4b2860f537",
+                "sha256:e170a9e6fcfd19021dd29845af83bb79236068bf5fd4df3327c1be18182b2531"
             ],
-            "version": "==3.12"
+            "version": "==3.13"
         },
         "requests": {
             "hashes": [
-                "sha256:63b52e3c866428a224f97cab011de738c36aec0185aa91cfacd418b5d58911d1",
-                "sha256:ec22d826a36ed72a7358ff3fe56cbd4ba69dd7a6718ffd450ff0e9df7a47ce6a"
+                "sha256:99dcfdaaeb17caf6e526f32b6a7b780461512ab3f1d992187801694cba42770c",
+                "sha256:a84b8c9ab6239b578f22d1c21d51b696dcfe004032bb80ea832398d6909d7279"
             ],
-            "version": "==2.19.1"
+            "version": "==2.20.0"
         },
         "s3transfer": {
             "hashes": [
@@ -287,10 +287,10 @@
         },
         "toml": {
             "hashes": [
-                "sha256:380178cde50a6a79f9d2cf6f42a62a5174febe5eea4126fe4038785f1d888d42",
-                "sha256:a7901919d3e4f92ffba7ff40a9d697e35bbbc8a8049fe8da742f34c83606d957"
+                "sha256:229f81c57791a41d65e399fc06bf0848bab550a9dfd5ed66df18ce5f05e73d5c",
+                "sha256:235682dd292d5899d361a811df37e04a8828a5b1da3115886b73cf81ebc9100e"
             ],
-            "version": "==0.9.6"
+            "version": "==0.10.0"
         },
         "tqdm": {
             "hashes": [
@@ -314,11 +314,11 @@
         },
         "urllib3": {
             "hashes": [
-                "sha256:a68ac5e15e76e7e5dd2b8f94007233e01effe3e50e8daddf69acfd81cb686baf",
-                "sha256:b5725a0bd4ba422ab0e66e89e030c806576753ea3ee08554382c14e685d117b5"
+                "sha256:41c3db2fc01e5b907288010dec72f9d0a74e37d6994e6eb56849f59fea2265ae",
+                "sha256:8819bba37a02d143296a4d032373c4dd4aca11f6d4c9973335ca75f9c8475f59"
             ],
-            "markers": "python_version != '3.3.*' and python_version != '3.0.*' and python_version != '3.1.*' and python_version < '4' and python_version >= '2.6' and python_version != '3.2.*'",
-            "version": "==1.23"
+            "markers": "python_version >= '3.4'",
+            "version": "==1.24"
         },
         "werkzeug": {
             "hashes": [
@@ -329,11 +329,10 @@
         },
         "wheel": {
             "hashes": [
-                "sha256:0a2e54558a0628f2145d2fc822137e322412115173e8a2ddbe1c9024338ae83c",
-                "sha256:80044e51ec5bbf6c894ba0bc48d26a8c20a9ba629f4ca19ea26ecfcf87685f5f"
+                "sha256:196c9842d79262bb66fcf59faa4bd0deb27da911dbc7c6cdca931080eb1f0783",
+                "sha256:c93e2d711f5f9841e17f53b0e6c0ff85593f3b416b6eec7a9452041a59a42688"
             ],
-            "markers": "python_version != '3.3.*' and python_version != '3.0.*' and python_version != '3.2.*' and python_version != '3.1.*' and python_version >= '2.7'",
-            "version": "==0.31.1"
+            "version": "==0.32.2"
         },
         "wsgi-request-logger": {
             "hashes": [
@@ -343,11 +342,12 @@
         },
         "zappa": {
             "hashes": [
-                "sha256:6b303a82698035d465e3426008a355b17733204c205e6efab7b4168ac84eb918",
-                "sha256:b4d310821d19c773f9d1457fa00287c154097c72e502d71f0879cb765a2130b4"
+                "sha256:779eeacf312306261c0d4ef144a3a64ed37aa7a379958712bf486d21c4e2b475",
+                "sha256:e823272b3827db0a3045c425ba8a27504224d20bda07e51ee5c08f79691aea28",
+                "sha256:f0e0e665c69e1cc758e2c86db7febd38ec919bc833ac0b58dcd38b5c75d2c64d"
             ],
             "index": "pypi",
-            "version": "==0.46.2"
+            "version": "==0.47.0"
         }
     }
 }