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Adding some trig functions to OrlyScript:
cos, sin, tan, acos, asin, atan, atan2
Merge pull request #204 from jmlvanre/orlyc-trig

Adding some trig functions to OrlyScript
Merge branch 'master' into twitter_live
Adding the haversine function to compute distance between long and lat.
Adding a function that computes the time-points / locations where 2 users were within a configurable distance during a configurable time window