diff --git a/multistreaming-server/Pipfile.lock b/multistreaming-server/Pipfile.lock
index ea3c22a..9bc4925 100644
--- a/multistreaming-server/Pipfile.lock
+++ b/multistreaming-server/Pipfile.lock
@@ -18,50 +18,50 @@
     "default": {
         "jinja2": {
             "hashes": [
-                "sha256:89aab215427ef59c34ad58735269eb58b1a5808103067f7bb9d5836c651b3bb0",
-                "sha256:f0a4641d3cf955324a89c04f3d94663aa4d638abe8f733ecd3582848e1c37035"
+                "sha256:03e47ad063331dd6a3f04a43eddca8a966a26ba0c5b7207a9a9e4e08f1b29419",
+                "sha256:a6d58433de0ae800347cab1fa3043cebbabe8baa9d29e668f1c768cb87a333c6"
             ],
             "index": "pypi",
-            "version": "==2.11.2"
+            "version": "==2.11.3"
         },
         "markupsafe": {
             "hashes": [
-                "sha256:00bc623926325b26bb9605ae9eae8a215691f33cae5df11ca5424f06f2d1f473",
-                "sha256:09027a7803a62ca78792ad89403b1b7a73a01c8cb65909cd876f7fcebd79b161",
-                "sha256:09c4b7f37d6c648cb13f9230d847adf22f8171b1ccc4d5682398e77f40309235",
-                "sha256:1027c282dad077d0bae18be6794e6b6b8c91d58ed8a8d89a89d59693b9131db5",
-                "sha256:13d3144e1e340870b25e7b10b98d779608c02016d5184cfb9927a9f10c689f42",
-                "sha256:24982cc2533820871eba85ba648cd53d8623687ff11cbb805be4ff7b4c971aff",
-                "sha256:29872e92839765e546828bb7754a68c418d927cd064fd4708fab9fe9c8bb116b",
-                "sha256:43a55c2930bbc139570ac2452adf3d70cdbb3cfe5912c71cdce1c2c6bbd9c5d1",
-                "sha256:46c99d2de99945ec5cb54f23c8cd5689f6d7177305ebff350a58ce5f8de1669e",
-                "sha256:500d4957e52ddc3351cabf489e79c91c17f6e0899158447047588650b5e69183",
-                "sha256:535f6fc4d397c1563d08b88e485c3496cf5784e927af890fb3c3aac7f933ec66",
-                "sha256:596510de112c685489095da617b5bcbbac7dd6384aeebeda4df6025d0256a81b",
-                "sha256:62fe6c95e3ec8a7fad637b7f3d372c15ec1caa01ab47926cfdf7a75b40e0eac1",
-                "sha256:6788b695d50a51edb699cb55e35487e430fa21f1ed838122d722e0ff0ac5ba15",
-                "sha256:6dd73240d2af64df90aa7c4e7481e23825ea70af4b4922f8ede5b9e35f78a3b1",
-                "sha256:717ba8fe3ae9cc0006d7c451f0bb265ee07739daf76355d06366154ee68d221e",
-                "sha256:79855e1c5b8da654cf486b830bd42c06e8780cea587384cf6545b7d9ac013a0b",
-                "sha256:7c1699dfe0cf8ff607dbdcc1e9b9af1755371f92a68f706051cc8c37d447c905",
-                "sha256:88e5fcfb52ee7b911e8bb6d6aa2fd21fbecc674eadd44118a9cc3863f938e735",
-                "sha256:8defac2f2ccd6805ebf65f5eeb132adcf2ab57aa11fdf4c0dd5169a004710e7d",
-                "sha256:98c7086708b163d425c67c7a91bad6e466bb99d797aa64f965e9d25c12111a5e",
-                "sha256:9add70b36c5666a2ed02b43b335fe19002ee5235efd4b8a89bfcf9005bebac0d",
-                "sha256:9bf40443012702a1d2070043cb6291650a0841ece432556f784f004937f0f32c",
-                "sha256:ade5e387d2ad0d7ebf59146cc00c8044acbd863725f887353a10df825fc8ae21",
-                "sha256:b00c1de48212e4cc9603895652c5c410df699856a2853135b3967591e4beebc2",
-                "sha256:b1282f8c00509d99fef04d8ba936b156d419be841854fe901d8ae224c59f0be5",
-                "sha256:b2051432115498d3562c084a49bba65d97cf251f5a331c64a12ee7e04dacc51b",
-                "sha256:ba59edeaa2fc6114428f1637ffff42da1e311e29382d81b339c1817d37ec93c6",
-                "sha256:c8716a48d94b06bb3b2524c2b77e055fb313aeb4ea620c8dd03a105574ba704f",
-                "sha256:cd5df75523866410809ca100dc9681e301e3c27567cf498077e8551b6d20e42f",
-                "sha256:cdb132fc825c38e1aeec2c8aa9338310d29d337bebbd7baa06889d09a60a1fa2",
-                "sha256:e249096428b3ae81b08327a63a485ad0878de3fb939049038579ac0ef61e17e7",
-                "sha256:e8313f01ba26fbbe36c7be1966a7b7424942f670f38e666995b88d012765b9be"
-            ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
-            "version": "==1.1.1"
+                "sha256:0195316c9962e49935a0d6951ec13ddadee4e7e954e527d2387ab5920f33326b",
+                "sha256:0771b6c97e45412bdd079ff8e4f1b903400791d62e0099dc7437668d73ad7280",
+                "sha256:0806afeead6a1ed483db811e3d4af694fe6cd240fe267719902f5321c02ce1f9",
+                "sha256:2069d3ecff985cf2072154f2fc214f7dc493d40113c8fa127296e7c76a1f9227",
+                "sha256:2f7efff175b8019977973bee4946df9e182255d17d41d59b8b8fd3f9df60dcfc",
+                "sha256:338a6efaaf7cb6bb342fefbfc3f681696c4ee86171c86d660d081739b6fb1055",
+                "sha256:39245c428902bc4853deb03c319621aaa72f040753516529ac200be3e6e43e0e",
+                "sha256:39466d824310410598072d195cc55cc82c70e7c155ac6adce2b2851b5ce1a214",
+                "sha256:635085ed6045c00bcee76cfce4dff45d47f9344ccea0ec7d80c581db65aa9f02",
+                "sha256:65261edbd397b289bc7a0c20b21d2927bf81a4ff418a289fb053e06471dbbc90",
+                "sha256:6d1d39c1e8a783fe1d2637b693f38a4dbd7f4aac636b82fd7da0e0682757192a",
+                "sha256:77db4fd6dfe94f700f4395d34393baf695acb77f0e1d4fd77c93eacd8c38facf",
+                "sha256:7cefccd52c32040035a8be398bda4348812f58dcc7c8d940913f19b6776caa50",
+                "sha256:7fdaed892d454763f89d2c6ecfa7ee1a142412d01eb9da5927b594622ecdb328",
+                "sha256:842c0a900ea044e719212810266aefbabedc47f7f6ed1567d645cec348de38c7",
+                "sha256:931f80ecb8fa292f9390761d070cc5eb6e25ef133b3aff6d9f08f0ac7de774e0",
+                "sha256:a26f1d7e4bea8e30871f0a025c6f6d81b27724b43d6a3a3e8388d9ec260d4586",
+                "sha256:aa18dfb468b4bedd968195efc49e59f2773b406eb7591be19d3ac18cf506c5ec",
+                "sha256:afd73362d06ada878f267aa1cf74930022c6b9e1fae4605e5bf35ca61ce06074",
+                "sha256:b3f44d049add55a169e2ad6d176e592968f4f34c4ca754b925894ce5520cedfc",
+                "sha256:b69682a6445f10332c376870fb53dd4ba946f70f0592118b97015a4a5fa814cc",
+                "sha256:b8d3deaddf307963845c2c1a9c3f72a92856f9010dca69a05b35b27af9fff162",
+                "sha256:c58a7117d253f7c560c54d8098a606d410e62129f4df78d78582b81ba254ba80",
+                "sha256:c729b7bc3a38f24093c36fc20e98ba747440e937ea9997c1af7cd98d3ee9bdb1",
+                "sha256:c7718a028d3917eabde519282b11fe0944f25e4d9d1716fec4ff8cf392ead36f",
+                "sha256:c8ba02b5ff8dde786492f04ff003514750d40a509bd3d76ee080f11f226d8431",
+                "sha256:cd2bf5e142accfa487a6d4705ae8a22f48798a35e5ec3561123e3723aba50888",
+                "sha256:cdf40d0b3b7d0ba57b2cc1ea1432bf0841885f075c00b626b8400829b02aeb18",
+                "sha256:d711c82719caaf59e44f73fd91f324dad09ece519f61c38ebac74d0e3c6dee2a",
+                "sha256:d9463d3860a4009655048ab40d9a156e7c2b68c8c74464138444a251378c39de",
+                "sha256:df56b55433f718b8a5681757a5c6eef2d365781615a268bcd0f5183cd5f57821",
+                "sha256:e644dcf9df29d33110ef8d28a14337a7978025d32ff7c210335f3b25b49d03e0",
+                "sha256:efac39cc0cfcb43b40e97afffc3087f4dd0fce8fb40d3ad0f5ea8f94b0195005",
+                "sha256:fd47b68e61355c6452a92d85fcfad81f7e6f5df8110ed237d9027c54d9338b31"
+            ],
+            "version": "==2.0.0rc1"
         }
     },
     "develop": {
@@ -74,11 +74,10 @@
         },
         "astroid": {
             "hashes": [
-                "sha256:2f4078c2a41bf377eea06d71c9d2ba4eb8f6b1af2135bec27bbbb7d8f12bb703",
-                "sha256:bc58d83eb610252fd8de6363e39d4f1d0619c894b0ed24603b881c02e64c7386"
+                "sha256:87ae7f2398b8a0ae5638ddecf9987f081b756e0e9fc071aeebdca525671fc4dc",
+                "sha256:b31c92f545517dcc452f284bc9c044050862fbe6d93d2b3de4a215a6b384bf0d"
             ],
-            "markers": "python_version >= '3.5'",
-            "version": "==2.4.2"
+            "version": "==2.5"
         },
         "black": {
             "hashes": [
@@ -89,46 +88,46 @@
         },
         "click": {
             "hashes": [
-                "sha256:d2b5255c7c6349bc1bd1e59e08cd12acbbd63ce649f2588755783aa94dfb6b1a",
-                "sha256:dacca89f4bfadd5de3d7489b7c8a566eee0d3676333fbb50030263894c38c0dc"
+                "sha256:681c9380a24b22fec089c8e5ffe40aa16a0da79f248a26fe2481bfa8170bfcc1",
+                "sha256:e4315a188403c0258bbc4a4e31863e48fc301c4e95b8007a8eeda0391158df13"
             ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4'",
-            "version": "==7.1.2"
+            "version": "==8.0.0a1"
         },
         "isort": {
             "hashes": [
-                "sha256:dcab1d98b469a12a1a624ead220584391648790275560e1a43e54c5dceae65e7",
-                "sha256:dcaeec1b5f0eca77faea2a35ab790b4f3680ff75590bfcb7145986905aab2f58"
+                "sha256:c729845434366216d320e936b8ad6f9d681aab72dc7cbc2d51bedc3582f3ad1e",
+                "sha256:fff4f0c04e1825522ce6949973e83110a6e907750cd92d128b0d14aaaadbffdc"
             ],
-            "markers": "python_version >= '3.6' and python_version < '4.0'",
-            "version": "==5.6.4"
+            "version": "==5.7.0"
         },
         "lazy-object-proxy": {
             "hashes": [
-                "sha256:0c4b206227a8097f05c4dbdd323c50edf81f15db3b8dc064d08c62d37e1a504d",
-                "sha256:194d092e6f246b906e8f70884e620e459fc54db3259e60cf69a4d66c3fda3449",
-                "sha256:1be7e4c9f96948003609aa6c974ae59830a6baecc5376c25c92d7d697e684c08",
-                "sha256:4677f594e474c91da97f489fea5b7daa17b5517190899cf213697e48d3902f5a",
-                "sha256:48dab84ebd4831077b150572aec802f303117c8cc5c871e182447281ebf3ac50",
-                "sha256:5541cada25cd173702dbd99f8e22434105456314462326f06dba3e180f203dfd",
-                "sha256:59f79fef100b09564bc2df42ea2d8d21a64fdcda64979c0fa3db7bdaabaf6239",
-                "sha256:8d859b89baf8ef7f8bc6b00aa20316483d67f0b1cbf422f5b4dc56701c8f2ffb",
-                "sha256:9254f4358b9b541e3441b007a0ea0764b9d056afdeafc1a5569eee1cc6c1b9ea",
-                "sha256:9651375199045a358eb6741df3e02a651e0330be090b3bc79f6d0de31a80ec3e",
-                "sha256:97bb5884f6f1cdce0099f86b907aa41c970c3c672ac8b9c8352789e103cf3156",
-                "sha256:9b15f3f4c0f35727d3a0fba4b770b3c4ebbb1fa907dbcc046a1d2799f3edd142",
-                "sha256:a2238e9d1bb71a56cd710611a1614d1194dc10a175c1e08d75e1a7bcc250d442",
-                "sha256:a6ae12d08c0bf9909ce12385803a543bfe99b95fe01e752536a60af2b7797c62",
-                "sha256:ca0a928a3ddbc5725be2dd1cf895ec0a254798915fb3a36af0964a0a4149e3db",
-                "sha256:cb2c7c57005a6804ab66f106ceb8482da55f5314b7fcb06551db1edae4ad1531",
-                "sha256:d74bb8693bf9cf75ac3b47a54d716bbb1a92648d5f781fc799347cfc95952383",
-                "sha256:d945239a5639b3ff35b70a88c5f2f491913eb94871780ebfabb2568bd58afc5a",
-                "sha256:eba7011090323c1dadf18b3b689845fd96a61ba0a1dfbd7f24b921398affc357",
-                "sha256:efa1909120ce98bbb3777e8b6f92237f5d5c8ea6758efea36a473e1d38f7d3e4",
-                "sha256:f3900e8a5de27447acbf900b4750b0ddfd7ec1ea7fbaf11dfa911141bc522af0"
-            ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
-            "version": "==1.4.3"
+                "sha256:1d33d6f789697f401b75ce08e73b1de567b947740f768376631079290118ad39",
+                "sha256:2f2de8f8ac0be3e40d17730e0600619d35c78c13a099ea91ef7fb4ad944ce694",
+                "sha256:3782931963dc89e0e9a0ae4348b44762e868ea280e4f8c233b537852a8996ab9",
+                "sha256:37d9c34b96cca6787fe014aeb651217944a967a5b165e2cacb6b858d2997ab84",
+                "sha256:38c3865bd220bd983fcaa9aa11462619e84a71233bafd9c880f7b1cb753ca7fa",
+                "sha256:429c4d1862f3fc37cd56304d880f2eae5bd0da83bdef889f3bd66458aac49128",
+                "sha256:522b7c94b524389f4a4094c4bf04c2b02228454ddd17c1a9b2801fac1d754871",
+                "sha256:57fb5c5504ddd45ed420b5b6461a78f58cbb0c1b0cbd9cd5a43ad30a4a3ee4d0",
+                "sha256:5944a9b95e97de1980c65f03b79b356f30a43de48682b8bdd90aa5089f0ec1f4",
+                "sha256:6f4e5e68b7af950ed7fdb594b3f19a0014a3ace0fedb86acb896e140ffb24302",
+                "sha256:71a1ef23f22fa8437974b2d60fedb947c99a957ad625f83f43fd3de70f77f458",
+                "sha256:8a44e9901c0555f95ac401377032f6e6af66d8fc1fbfad77a7a8b1a826e0b93c",
+                "sha256:b6577f15d5516d7d209c1a8cde23062c0f10625f19e8dc9fb59268859778d7d7",
+                "sha256:c8fe2d6ff0ff583784039d0255ea7da076efd08507f2be6f68583b0da32e3afb",
+                "sha256:cadfa2c2cf54d35d13dc8d231253b7985b97d629ab9ca6e7d672c35539d38163",
+                "sha256:cd1bdace1a8762534e9a36c073cd54e97d517a17d69a17985961265be6d22847",
+                "sha256:ddbdcd10eb999d7ab292677f588b658372aadb9a52790f82484a37127a390108",
+                "sha256:e7273c64bccfd9310e9601b8f4511d84730239516bada26a0c9846c9697617ef",
+                "sha256:e7428977763150b4cf83255625a80a23dfdc94d43be7791ce90799d446b4e26f",
+                "sha256:e960e8be509e8d6d618300a6c189555c24efde63e85acaf0b14b2cd1ac743315",
+                "sha256:ecb5dd5990cec6e7f5c9c1124a37cb2c710c6d69b0c1a5c4aa4b35eba0ada068",
+                "sha256:ef3f5e288aa57b73b034ce9c1f1ac753d968f9069cd0742d1d69c698a0167166",
+                "sha256:fa5b2dee0e231fa4ad117be114251bdfe6afe39213bd629d43deb117b6a6c40a",
+                "sha256:fa7fb7973c622b9e725bee1db569d2c2ee64d2f9a089201c5e8185d482c7352d"
+            ],
+            "version": "==1.5.2"
         },
         "mccabe": {
             "hashes": [
@@ -146,10 +145,10 @@
         },
         "pathspec": {
             "hashes": [
-                "sha256:7d91249d21749788d07a2d0f94147accd8f845507400749ea19c1ec9054a12b0",
-                "sha256:da45173eb3a6f2a5a487efba21f050af2b41948be6ab52b6a1e3ff22bb8b7061"
+                "sha256:86379d6b86d75816baba717e64b1a3a3469deb93bb76d613c9ce79edc5cb68fd",
+                "sha256:aa0cb481c4041bf52ffa7b0d8fa6cd3e88a2ca4879c533c9153882ee2556790d"
             ],
-            "version": "==0.8.0"
+            "version": "==0.8.1"
         },
         "pylint": {
             "hashes": [
@@ -161,77 +160,92 @@
         },
         "regex": {
             "hashes": [
-                "sha256:1a16afbfadaadc1397353f9b32e19a65dc1d1804c80ad73a14f435348ca017ad",
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-                "sha256:a8240df4957a5b0e641998a5d78b3c4ea762c845d8cb8997bf820626826fde9a",
-                "sha256:b8806649983a1c78874ec7e04393ef076805740f6319e87a56f91f1767960212",
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-                "sha256:c529ba90c1775697a65b46c83d47a2d3de70f24d96da5d41d05a761c73b063af",
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