Corrects issues in querystring.stringify. Closes #156
Merge pull request #157 from tessel/tcr-156

Corrects issues in querystring.stringify. Closes #156
Reworks support for null used in arithmetic. Fixes #159
Corrects require.resolve to look up node_modules chain properly. Fixes #161
Adds support for SHA/SHA1 hashes.
Adds support for SHA224, SHA256, SHA384, SHA512 hashes.
Merge pull request #160 from tessel/tcr-shahash

Adds support for SHA/SHA1 hashes.
Merge pull request #162 from tessel/tcr-159

Reworks support for null used in arithmetic. Fixes #159
Merge pull request #165 from tessel/tcr-161

Corrects require.resolve to look up node_modules chain properly. Fixes #161