Update uvloop to 0.11.0 (#82)

This PR updates [uvloop](https://pypi.org/project/uvloop) from **0.10.1** to **0.11.0**.



<details>
  <summary>Changelog</summary>
  
  
   ### 0.10.2
   ```
   Bug Fixes

* Use a proper type for the thread indent (fixes 32-bit build for 3.7.)
  (by 1st1 in 700582a9 for 172)

* Fix cancellation race in `loop.sock_recv()` and `loop.sock_recv_into()`
  methods.  (by andr-04 and 1st1 in 298851bf for 169)

* Sync SSL error messages with CPython&#39;s SSL implementation.
  (by 1st1 in c3aeff2a)

* Fix `SSLTransport.abort()` to mark the transport as closed.
  (by 1st1 in ba25d8be)

* Detect if libuv submodule has not been checked out in `setup.py`.
  (by 1st1 in dd8060d2)
   ```
   
  
</details>


 

<details>
  <summary>Links</summary>
  
  - PyPI: https://pypi.org/project/uvloop
  - Changelog: https://pyup.io/changelogs/uvloop/
  - Repo: http://github.com/MagicStack/uvloop
</details>

requirements.txt

@@ -2,7 +2,7 @@ click==6.7
 six==1.11.0
 firebase-admin==2.11.0
 
-uvloop==0.10.1
+uvloop==0.11.0
 aiohttp==3.3.2
 cchardet==2.1.1
 aiodns==1.1.1