2018-02-22 Version 1.7.0

• Add split_terms function
• Add toggle.sign method
• catcont functions removed. Use the catcont package instead.

2017-09-21 Version 1.6.8

• Fix issue with Rd files causing a rejection by CRAN
• Update docs, README.md

2017-07-20 Version 1.6.4

• Fixes doc problems with ‘<-’ methods
• Fixes #6

2017-02-26 Version 1.6.0

• Improve documentation
• Import stats
• Fix tests

2015-06-23 Version 1.5.4

• Fix issue with CRAN blocking
• Expand tests for get.vars, lhs.vars, rhs.vars, lhs, rhs

2015-06-22 Version 1.5.3

• Fix issue #5, get.vars(NULL, NULL) throws an error … Thanks to Paul Bailey for poinint out the problem.

2014-03-11 Version 1.4.0

• Fix documentaion for roxygen-4.0.0+ (#1)
• No other functional fixes

2014-02-25 Version 1.3.3

• Fix to prevent breakage from new testthat
• Documentation moved to Roxygen2 format

2012-11-30 Version 1.3.1

• Fixes documentation
• Adds Namespace

2011-10-03 Version 1.3.0

Added: as.character.formula

2011-08-08 Version 1.2.2

[Modified] Added methods lhs, rhs, op, op.type for ‘<-’ assignment class. Previosly it did not handle this and produced an error.

• n.b. statements with ‘->’ return ‘<-’

2010-06-16 Version 1.2.1

[Modified] - Fixed problem with NAMESPACE file

2010-03

• Change maintainer info

2010-09-29:

• R/which.class.R: Changed is.cat and is.cont to be based on S4 Methods. This could have been done with S3, however the whole package uses S4.

2010-08-24

• R/zzz.R: simplified

2010-08-24 Version 1.1.0

COMPLETE REFACTOR!!! - Now dependent on oeprator.tools-1.1.0 - R/is.one.sided.R: is.two.sided is fixed - R/lhs.R: - R/rhs.R: - R/op.R: - fun( expression ) now returns an expression - replacement handles multiple values for replacing on expressions.