Added min and max functions per #196, and a supporting ObjectUtils class which manages comparisons PHP-style.
I bungled my last commit. This fixes that.
More informative "Unable to find function" message
Extends now handles expression-based and array-based extensions per #206
Include now supports variable inclusion per #193
Quick fix for charset rendering issue pursuant to #210
Merge pull request #211 from thomas-p-wilson/fix-charset

Quick fix for charset rendering issue pursuant to #210
Merge pull request #199 from realcnbs/better-function-error

More informative "Unable to find function" message
Merge pull request #197 from thomas-p-wilson/feature-min-max

Added max and min functions
Merge pull request #208 from thomas-p-wilson/feature-include-with-var

Include now supports variable inclusion per #193
Merge pull request #207 from thomas-p-wilson/feature-expressive-extension

Extends now handles expression-based and array-based extensions per #206
Made json mapper configurable so that each project can have it's own json mapper
Removed jtwig-type module
Added the possibility of configuring Jtwig via XML easily
Fixed compilation issue and broken test
Added some tests against the json implementations just to assert on the correct behaviour.
Added an acceptance test for the json mapper configuration
Added some unit tests to the ObjectUtils methods
Merge pull request #213 from lyncodev/remove-jackson-hard-dependency

Remove jackson hard dependency
Made the symbol configuration completely flexible and up to the end user.