Merge pull request #78 from vikramrajkumar/master

#75 not done yet
* Get tests closer to working again.
* Restore automatic wallet opening and unlocking behavior to the CLI
* Work around a bug in visual c++'s initializer list implementation
fixing wallet relock bug
Merge branch 'master' of github.com:BitShares/bitshares_toolkit
Allow the "help" RPC command to work with a prefix ("help wallet" will return a list of commands that begin with "wallet")
Merge branch 'master' of github.com:BitShares/bitshares_toolkit
fixing bugs, restore unit tests
Resolve #75
Resolve #70
Resolve #76