typo in README, add gitignore back, fix testbundle README

* typo in README, add gitignore back, fix testbundle README

.gitignore

@@ -0,0 +1,6 @@
+**/*.pyc
+**/*.pyo
+build
+dist
+*.egg-info
+.idea

README.md

@@ -35,11 +35,11 @@ For example, defining:
  * `commands\commanda.py` - maps to `!commanda`
  * `commands\level1\commandb.py` - maps to `!level1-commandb`
  * `commands\level1\level2a\commandc.py` - maps to `!level1-level2a-commandb`
- * `commands\level1\level2b\leveln\commandz.py` - maps to `!level1-level2b-lebeln-commandz`
+ * `commands\level1\level2b\leveln\commandz.py` - maps to `!level1-level2b-leveln-commandz`
 
 
 ```
-<bundle_name>
+<bundle_directory>
   |
   |-- <bundle_name>
        |-- __init__.py

tests/testbundle/README.md

@@ -3,36 +3,28 @@ testbundle
 
 # Overview
 
-This is a dummy cog bundle used to test pycog3 python module
+This is a dummy cog bundle used to test pycog3 python module. 
 
-# Installing
-
-Create a virtual env and:
-
-```bash
-pip3 install --upgrade .
-```
-
 
 # Configuring
 
-There is one dynamic configuration file which should be set in the environmental variables:
-
-```bash
-export dyn_config_var1
-
-```
+There is one dynamic configuration variable `dyn_config_var1` which should be set in the environmental variables:
 
 # Executing
 
+Should be executed after `pycog3` is installed. 
+If running outside cog's environment, at the root of the project `/`, do:
+
 ```bash
-/usb/bin/cog-command
+$ export PYTHONPATH=tests/testbundle
+$ export COG_BUNDLE="testbundle"
+$ export COG_COMMAND="commanda"
+$ export dyn_config_var1="foo"
+$ cog-command
+COG_TEMPLATE: template
+JSON
+"0a"
 ```
 
-# Building
-
-To build the Docker image, simply run:
 
-    $ make docker
 
-Requires Python 3.6.x, pip, make, and Docker.