Changes from version 1.0.2 to 1.0.3
 * Now supports context specific independences (CSIs) via labeled directed acyclic graphs (LDAGs). See the documentation and examples for more details.
 * The function 'get_derivation' can now also be called via 'dosearch'.
 * Bidirected edges can now also be given as '<->'.
 * Added a new control option, 'time_limit', which will terminate the search when the given amount of time (in hours) has passed (only when benchmark = TRUE).
 * Some redundant control options have been removed.
 * Fixed an issue with derivation rules when missing data was present.
 * Fixed an another minor issue regarding missing data.
 * Fixed a rare issue with formula generation.

Changes from version 1.0.1 to 1.0.2
 * Added an example on how to produce an image from the DOT derivation.
 * Added a warning when the response indicator for a proxy variable is not present in any data source.

Changes from version 1.0.0 to 1.0.1
 * Added a Vignette describing the search procedure.