Changes in version 1.1-0 (12/10/2013)
    * bug fix: reuse in now passed on correctly in interestMeasures 
	      (bug reported by Ying Leung)
    * direct coercions from and to dgCMatrix is no longer supported use 
        ngCMatrix instead
    * coercion from ngCMatrix to itemMatrix and transactions is now posible
    * bug fixes in C code (misaligned address on 64-bit systems)

Changes in version 1.0-15 (9/6/2013)
    * service release

Changes in version 1.0-14 (5/24/2013)
    * discretize handles now NAs correctly
    * bug fix in is.subset

Changes in version 1.0-13 (4/7/2013)
    * transactions: coersion form data.frame now handles logical automatically.
    * discretize replaces categorize and offers several additional methods

Changes in version 1.0-12 (11/28/2012)
    * Added read and write for PMML.
    * 'WRITE' is now depricated, use 'write' instead
    * Added a copy of the C subscript code from R for better performance 
      and compartibility with arulesSequences

Changes in version 1.0-11 (11/19/2012)
    * Fixed vignette.
    * Internal changes for dimnames and subsetting

Changes in version 1.0-9 and 1.0-10 (9/3/2012)
    * Added PACKAGE argument to C calls.
    * Added C routine symbols to NAMESPACE for arulesSequence

Changes in version 1.0-8 (8/23/2012)
    * fixed memory problem in eclat with tidLists=TRUE
    * added supportedTransactions()
    * is.subset/is.superset can not return a sparse matrix
    * added support to categorize continuous variables.

Changes in version 1.0-7 (11/4/2011)
    * minor fixes (removed factor in dimnames for itemMatrix, warning in WRITE)
    * read.transactions now accepts column names to specify user and item 
	columns (by F. Leisch)

Changes prior to 1.0-7
    * many

Initial release version 1.0-0 (3/24/2009)

Alpha version 0.1-0 (4/15/2005)
