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version 2.1.2, 2016-07-27
- conv_dim():	added notice that conv_dim() is now deprecated in this package and has been transfered to a more appropriate package: measurements
- conv_unit():	added notice that conv_unit() is now deprecated in this package and has been transfered to a more appropriate package: measurements
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version 2.1.1, 2016-07-13
- conv_unit():	fixed a bug where negative coordinate values were not properly converted
- conv_unit():	fixed a bug where NA values were returned as strings containing "NA"s rather than returning NA when converting coordinate units
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version 2.1.0, 2016-03-04
- conv_unit():	added dimension: count
- conv_unit():	added unit options: Ma (duration), point (length), carat (mass)
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version 2.0.0, 2016-01-17
- conv_dim():		new function
- conv_unit():		MAJOR UPDATE: added functionality to accept objects passing character strings for unit parameters (from and to) at the cost of losing ability to use unquoted arguments
- conv_unit():		added unit options: mph_per_sec and kph_per_sec (acceleration), kJ (energy), Sv (flow), fathom and parsec (length), Pg (mass), km_per_day and mi_per_day (speed), km3, mi3, and imp_cup (volume)
- conv_unit():		removed "lb" ("lbs" remains) and the mis-spelled "hectacre" ("hectare" remains)
- Q10calc():		removed function to clarify focus of the package
- summ_stat():		new function
- which.closest():	new function
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version 1.3.0, 2015-01-31
- conv_unit():	added unit options: angstrom and au (length), light and mach (speed), ul (volume)
- conv_unit():	added "lbs" as a synonym for "lb" (mass)
- conv_unit():	increased efficiency and speed of coordinate unit conversions
- Q10calc():	new function
- range_seq():	new function
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version 1.2, 2014-11-07
- conv_unit():	added dimensions: angle, coordinate
- conv_unit():	added unit options: hectare (area), R (temperature), dm3 and dl (volume)
- geom_mean():	new function
- minor modifications to conv_unit help page
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version 1.1, 2014-08-29
- conv_unit():	added dimensions: acceleration, energy, flow, power, and temperature
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version 1.0, 2014-06-25
- conv_unit():	new function
- se():		new function
