| 0.04 2016-01-17 | 
 |         - Added PTI to all payloads. | 
 | 	- Added support for empty elements. | 
 | 	- Added support for element attributes in struct. | 
 |  | 
 | 0.03 2014-11-03 | 
 |         - Added new metadata scheme. | 
 | 	- Fixed a minor bug in the constituency tree building. | 
 | 	- Sorted terms in tokens a priori. | 
 |  | 
 | 0.02 2014-07-21 | 
 |         - Sentence annotations for all providing foundries | 
 | 	- Starting subtokenization  | 
 |  | 
 | 0.01 2014-04-15 | 
 | 	- [bugfix] for first token annotations | 
 |         - Sentences are now available from all foundries that have it | 
 |         - <>:p is now <>:base/para | 
 | 	- Added <>:base/text |