Bug Fixes

1.0.0.2
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Added:
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Removed:
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- Ability to use a direction for Math.GetAngle's 5th argument instead of
having a third point. See Fixed for more.

Changed:
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- Changed README.md for clarity and consistency.
- Updated spec.lua
- See Fixed for more.

Fixed:
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- Circle.IsSegmentSecant now properly accounts for chords actually being
chords, and not secants.
- Circle.CircleIntersects now can return 'Colinear' or 'Equal' if the
circles have same x and y but different radii (Colinear) or are exactly
the same (Equal).
- Statistics.GetMode now returns a table with the modes, and the second
argument as the number of times they appear.
- Math.GetRoot now returns the negative number as a second argument.
- Math.GetPercentOfChange now works for 0 to 0 (previously false).
- Math.GetAngle now takes only three points and no direction option.
- Typos in Shape.CheckCollisions and Shape.Remove.
- Fixed nil problems in Shape.CheckCollisions.
- Improved readablility and DRYness of Shape.CheckCollisions.
- Bugs in Shape.Remove and Shape.CheckCollisions regarding passing
tables as arguments.

TODO:
- Add:
- Frequency
- Binomial Probability
- Standard Deviation
- Conditional Probability