v. 0.1.7

• use of row and column labels were completely rewritten and simplified (also in plots)
• functionality for using vector of numbers as column labels has been improved significantly
• same works now for row labels (e.g. you can specify time or similar values as row labels)
• both column and row values are now inherited when any transformations or models are used
• you can also specify the values directly using properties rowValuesAll and colValuesAll
• fixed several minor bugs and made small improvements mainly for plot methods
• fixed several small bugs in model methods