Labkey api

I wrote a python script how to retrieve metadata from the LabKey table and described in README file, how to run it with an example.

scripts/labkey_api.md

-> **NOTE**: Include this info in the main doc in the root directory once available
+> **NOTE**: Include this info in the main doc in the root directory once 
+> available; add information on how to get credentials for the LabKey server 
+> (i.e., how to obatain a password for the `.netrc` file)
 
-In order to connect to the LabKey through API, you will first need to create a file `.netrc` in your 
-home directory:
+In order to connect to the LabKey through API, you will first need to create a
+file `.netrc` in your home directory:
 
 ```bash
 touch ${HOME}/.netrc
@@ -15,13 +17,15 @@ login <user-email>
 password <user-password>  
 ```
 
-To secure the file, set permissions in a way that only you can see the content of the file: 
+To secure the file, set permissions in a way that only you can see the content
+of the file: 
 
 ```bash
 chmod 400 .netrc
 ```
 
-Install the `labkey` and `pandas` packages, ideally from a virtual environment (e.g., `virtualenv` or `conda`):
+Install the `labkey` and `pandas` packages, ideally from a virtual environment
+(e.g., `virtualenv` or `conda`):
 
 ```bash
 pip install labkey pandas
@@ -39,5 +43,7 @@ Example:
 python labkey_api.py TEST_ABOERSCH RNA_Seq_data_template  
 ```
 
-Right now the script prints a representation of a `pandas` data frame containing the requested LabKey table the the screen.
-For further processing the current script could be included in another script, or it could be modified to write out the data in a desired file format (e.g., TSV).
+Right now the script prints a representation of a `pandas` data frame
+containing the requested LabKey table the the screen. For further processing
+the current script could be included in another script, or it could be modified
+to write out the data in a desired file format (e.g., TSV).