LUN-670 -- cycles detected. need to work more to format the error message
LUN-670 -- ssi tag also need a template name
LUN-670 -- added unit test + format message
LUN-670 -- added comments why load tag needs to be compiled
LUN-670 -- comments
LUN-670 -- unit test fails if no cycle detected
LUN-670 -- unit test with assertRaises
LUN-670 -- no need for try-catch since this validation is triggered after standard validation
LUN-670 -- optimezed format_recursive_msg method
LUN-670 -- fixed list clone
LUN-670 -- optimized format_recursive_msg
LUN-670 -- another fix
LUN-670 -- some fixes and optimizations
LUN-670 -- small fix in how the call graph egdges are created
LUN-670 -- small fix so the err msg is displayed correctly
LUN-670 -- fix comment
LUN-670 update comment
LUN-670 -- add dependency to python-grap-core
Merge pull request #12 from pbs/LUN-670

Lun 670