Update binding.gyp

fix installation process on windows
Merge pull request #75 from maxdm07/patch-1

Update binding.gyp
Remove duplicate try/catch block which resulted in multiple callbacks
Use node::MakeCallback instead of v8::Function::Call
Cleanup whitespace (2 spaces)
Merge pull request #76 from raztus/exceptionHandling

V8 callback fixes (regression)
Merge branch 'master' into catchCloseException
Fix whitespace and comment wording