Changes

Summary

1. https://sourceforge.net/p/autoplot/bugs/2657/: properly support multi-column datasets in tables
2. rte_1083526881: code which automatically adds time column failed to check that a time column was actually found, causing NPE
3. rte_0350203371: add toString to aid in debugging
4. rte_0350203371: check for null in completions, which happens for "vap+cdf:<t>"

Revision 28024 by jbfaden: https://sourceforge.net/p/autoplot/bugs/2657/: properly support multi-column datasets in tables
Change Type	Path in Repository	Path in Workspace
	/autoplot/trunk/PDSDataSource/src/org/autoplot/pds/PdsDataSource.java	autoplot/PDSDataSource/src/org/autoplot/pds/PdsDataSource.java
Revision 28023 by jbfaden: rte_1083526881: code which automatically adds time column failed to check that a time column was actually found, causing NPE
Change Type	Path in Repository	Path in Workspace
	/autoplot/trunk/PDSDataSource/src/org/autoplot/pds/PdsDataSource.java	autoplot/PDSDataSource/src/org/autoplot/pds/PdsDataSource.java
Revision 28022 by jbfaden: rte_0350203371: add toString to aid in debugging
Change Type	Path in Repository	Path in Workspace
	/autoplot/trunk/DataSource/src/org/autoplot/datasource/DataSetURI.java	autoplot/DataSource/src/org/autoplot/datasource/DataSetURI.java
Revision 28021 by jbfaden: rte_0350203371: check for null in completions, which happens for "vap+cdf:<t>"
Change Type	Path in Repository	Path in Workspace
	/autoplot/trunk/DataSource/src/org/autoplot/datasource/CompletionsList.java	autoplot/DataSource/src/org/autoplot/datasource/CompletionsList.java