Merge pull request #25 from chrso/master

Added support for lists/arrays, funct, assert
Removed old helloworld folder
Merge pull request #28 from kaitlinhuben/master

Removed old helloworld folder
Removed old syntax examples
parse external declarations
parse external declarations
fix merge conflicts
fix merge conflicts
Merge branch 'master' of https://github.com/emilyhsia/svelTest
Merge pull request #29 from emilyhsia/master

parser: parse external declarations
Added comment banners at top of files
Merge branch 'master' of https://github.com/svelTest/svelTest
Merge pull request #30 from kaitlinhuben/master

Added comment banners and removed old syntax examples
Modified svelLex.py to tokenize input file

Used to only tokenize user input; can now tokenize input file with call:
```python svelLex.py <path_to_input_file>```
Fixed shift/reduce conflict and added file parsing

Like svelLex, can now parse input file with call:
```python svelYacc.py <path_to_input_file>
Merge pull request #31 from kaitlinhuben/master

Modified svelLex.py and svelYacc.py to parse input file
Updated Fibonacci test case and wrote .svel draft
allow variable declaration in parser
Merge pull request #32 from emilyhsia/master

allow variable declaration in parser
handle file declarations in treewalker