Explicitly only support node >= 0.6.x.
Explicitly only support node >= 0.6.x.

Our arch-detection code relies on (at least) process.arch, present from 0.6.x

dieface/node-dtrace-provider,tjfontaine/node-dtrace-provider,mgenereu/node-dtrace-provider,tjfontaine/node-dtrace-provider,dieface/node-dtrace-provider,tjfontaine/node-dtrace-provider,mgenereu/node-dtrace-provider,DataSweeper/node-dtrace-provider,dieface/node-dtrace-provider,dieface/node-dtrace-provider,mgenereu/node-dtrace-provider,DataSweeper/node-dtrace-provider,mgenereu/node-dtrace-provider,DataSweeper/node-dtrace-provider,tjfontaine/node-dtrace-provider,DataSweeper/node-dtrace-provider