exceptin stack display
error stack
error stack trace
sbow target exception for function call
doc refine
jfnal model
Merge branch 'develop' of https://github.com/javamonkey/beetl2.0 into develop

Conflicts:
	asciidoc-beetl.txt
	beetl-core/src/main/java/org/beetl/core/statement/StaticTextByteASTNode.java
	beetl-core/src/main/java/org/beetl/core/statement/TagVarBindingStatement.java
	beetl-core/src/main/java/org/beetl/core/statement/VarRef.java
jfinal model
jfinal
version
Merge remote-tracking branch 'remotes/origin/develop'

Conflicts:
	beetl-core/build.xml