switch to pipenv, update versions and documentation

.gitignore

@@ -4,4 +4,8 @@ db.json
 fafbot.conf
 .coverage
 config.ini
-.idea
+.idea
+Pipfile.lock
+/.pytest_cache
+/.cache
+log.txt

Pipfile

@@ -0,0 +1,16 @@
+[[source]]
+url = "https://pypi.org/simple"
+verify_ssl = true
+name = "pypi"
+
+[packages]
+aiohttp = "==3.4.4"
+"irc3" = "==1.1.1"
+pytest = "==3.8"
+slackclient = "==1.1.0"
+pip = "==18.0"
+pytest-asyncio = "==0.9.0"
+
+[dev-packages]
+
+[requires]

README.md

@@ -7,12 +7,28 @@ This is the source code for the [Forged Alliance Forever](http://www.faforever.c
 
 ## Installation
 
-Install Python 3.4 or a later 3.x version.
+Install Python 3.6 or a later 3.x version.
+
+Latest pip version (18.1) at the moment of writing this document breaks pipenv - https://github.com/pypa/pipenv/issues/2924, 
+so we will need to install version 18.0
+
+Install pip version 18.0:
+
+    windows:    pip install --upgrade pip==18.0
+                pip --version
+
+    linux:      pip3 install --upgrade pip==18.0
+                pip3 --version
+
 
 Install the package dependencies:
 
-    windows:	pip install -r requirements.txt
-    linux:		pip3 install -r requirements.txt
+    windows:    pip install -r requirements.txt
+                pipenv install
+
+    linux:      pip3 install -r requirements.txt
+                pipenv install
+
 
 Create the config file and modify the settings as appropriate:
 
@@ -23,8 +39,10 @@ in [the server repo](https://github.com/FAForever/server).
 
 ## Usage
 
+    pipenv shell
     python3 -m irc3 config.ini
 
 ## Running the tests
 
+    pipenv shell
     py.test tests/

requirements.txt

@@ -1,4 +1 @@
-aiohttp==2.3.9
-irc3==1.0.2
-pytest==3.3.2
-slackclient==1.1.0
+pipenv==2018.7.1