renamed classes with analysis to info
fix a minor problem with constructor init list
renamed *VisitorPattern to *Walker
Replaced set<VariableId> with VariableIdMapping::VariableIdSet.
Added experimental feature --assign-top.
disconnecting pointer info from defuse query interface
adding array test case
moved some utility functions to new file
changed the interface to maintain pair<VariableIdSet, bool>
gathering function call that appear in an expression
setting the flag for dereferencing
added support for SgInitializedName with assign initializer
adding nasty test cases
minor changes and documentation
minor fix to documentation
more test cases that need to be tested
minor fix to documentation
Merge branch 'codethorn' into flow-insensitive-analysis
minor change to adapt to changes in VariableIdMapping
moving test cases proper filenames
adding test case to git
exception to break in case of unhandled expression and adding test codes to make check
adding support for unary addition, minus with simple test case