Merge pull request ethereum#1356 from ethereum/bumpVersion

v0.6.4-alpha.1

version 0.6.3

bump version 0.6.2

bump version

bump version

Merge pull request ethereum#1164 from bitpshr/feature/ajax-requests

Use request module for all XHR requests

Merge pull request ethereum#1169 from ethereum/fixCompilerLoading

Fix loading compiler

add callback

version 0.6