CHANGELOG.txt

In 0.22.2
* Figure and cache directory are now handled relative to weaved document
* Fixed caching
* Improved error reporting and exception handling

In 0.22.1
* Fixed a bug with inline code chunks.

In 0.22
* Package global options moved to pweave.rcParams. This is a breaking change if you have used
  Pweb class to modify Pweave options. Should not affect commandline usage.
* Renamed pweave.pweave to pweave.weave, pweave.ptangle to pweave.tangle
* Python 3 compatibilty, Thanks to Grant Goodyear https://github.com/g2boojum
* Publishing of scripts from command line : pypublish script
* Conversion between input formats and markups: Pweave-convert script
    - Convert to IPython notebooks by Aaron O'Leary https://github.com/aaren
* Possibility to run shell code from Pweave. See `engine` chunk option.
* New input formats:
	- Script
	- IPython notebook
* Bugfix: setting figure format from command line fixed.
* Ipython terminal
* Source option for chunks
	- Read from module
	- Read from file
* Multichunk blocks: complete option
* rst format uses `.. codeblock::` python directive for code chunks.
* Output formats:
    - Leanpub markdown
* New options for figures
	- f_size ( (8,6) ) Saved figure size in inches a tuple (w, h) 
	- f_env (None) Environment that goes around figure e.g. sidefigure
	- f_spines (True) removes spines from figure right and top if False.
	- complete (False)
	- source: Read chunk source from file or python module or file
	- engine: Choose engine running the code. "python" or "shell"