v. 0.1.6
mpspline_datchk() bugfix per PR 2 
v. 0.1.5 [CRAN]
mpspline_datchk() now removes 0-thickness horizons
(where upper and lower depths are identical) 
mpspline2_datchk() now removes horizons where upper
depth is greater than lower depth 
mpspline_datchk() now returns messages about each edit
made to the input data 
v. 0.1.4
- bugfix for 
mpspline_tidy(), now handles input profile
ID column names correctly. 
v. 0.1.3
- output styles other than default shifted to wrapper functions
 
- revised RMSE calculation from BM (resolves issue #4)
 
- all component functions operate on a per-profile basis
 
v. 0.1.2
- Added option for SoilProfileCollection-style output from
mpspline(). 
v. 0.1.1
- Internal: correct S4 access methods for SoilProfileCollection
objects (h/t Dylan Beaudette)
 
- Outputs in ‘default’ mode now have 
names() attributes
where they refer to a range e.g. “000_005cm” 
v. 0.1.0
- Added a 
NEWS.md file to track changes to the
package. 
- And did everything else.