Add BigInt note to arithmetic section
Resolve issue #34, add parse-json, and resolve issue #37, change to global-growth
Resolve issue #38, change to global-growth.core ns
Remove note about cutting ns section
Clarified the Organization section that ns is already in the file.
Merge remote-tracking branch 'upstream/master'
Updates to Windows 7 setup based on Issue #47
Add some Windows 7 updates to Windows 8 instructions based on Issue #47
Added troubleshooting step for Java errors with Light Table.
Merge pull request #40 from bridgethillyer/master

Update first-program section to resolve #34, #37, #38