Fixed What3Words words>location method

[sammachin]

• [x ] Bugfix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)

Proposed changes

Fixed the what3words node to convert from w3w address to lat/long, it now functions as per the help details.

Checklist

• [x ] I have read the contribution guidelines
• For non-bugfix PRs, I have discussed this change on the mailing list/slack team.
• I have run grunt to verify the unit tests pass
• I have added suitable unit tests to cover the new/changed functionality

[jsf-clabot]

All committers have signed the CLA.

[coveralls]

Coverage remained the same at 65.784% when pulling b30c029 on sammachin:master into 8178153 on node-red:master.

[coveralls]

Coverage remained the same at 65.784% when pulling 2ce126d on sammachin:master into 8178153 on node-red:master.

[dceejay]

Hi - looks good - can you sign/accept the CLA so we can merge it ?
(though looking at it the .oneword path also needs the same fix a few lines below.)

[sammachin]

I've added the fix to Oneword as well, CLA should be signed

[dceejay]

Great - thanks