### Summary ###
This folder contains the modules that define the lcad language. This is a [prefix](http://en.wikipedia.org/wiki/Polish_notation) notation language similar to [Scheme](http://en.wikipedia.org/wiki/Scheme_%28programming_language%29).

### Files ###
* functions.py - All the functions that are available in the lcad language.
* interpreter.py - The lcad language interpreter.
* lcadExceptions.py - Lcad language specific exceptions.
* lexerParser.py - The lexer/parser for the lcad language.
* parts.py - The Part object.

### Directories ###
* test - Nose tests.

### Summary ###
This folder contains the modules that define the lcad language. This is a [prefix](http://en.wikipedia.org/wiki/Polish_notation) notation language similar to [Scheme](http://en.wikipedia.org/wiki/Scheme_%28programming_language%29).

### Files ###
* chain.py - A function for creating chains, tracks, etc.
* functions.py - The basic functions that are available in the lcad language.
* interpreter.py - The lcad language interpreter.
* lcadExceptions.py - Lcad language specific exceptions.
* lexerParser.py - The lexer/parser for the lcad language.
* parts.py - The Part object.

### Directories ###
* test - Nose tests.

Add description of the chain.py file.
Add description of the chain.py file.
