Rename folder to bin/ from app/
Change output format
Merge branch 'refactor/v0.2.0' into develop
spec.executables does not contain bin/ouput/*
chmod files
Rename some fields
v0.2.1
Release v0.2.2:
Raise ParseError instead of RuntimeError if encounter parsing error
v0.2.3

Add new field: statement_link
v0.2.4

Change datatype of statement[:year] to integer
Remove bin/output from version control
1. can download 10-K or 10-Q only, not both now
2. can skip download if file is existed
3. add company list