Added a test for actually executing bin/semver-sync.
Support for Node.js pre-0.8.
Also test semver-sync on Node.js 0.10 and 0.11.
Use quotes so that 0.10 is interpreted as 0.10 and not 0.1. Put quotes around other numbers for consistency.
Resolved conflict with the latest master.
Merge pull request #6 from mangalam-research/node-0.6-execution-fix

Node 0.6 execution fix
v1.2.0