Symbols and expressions need quoting when evaluating

[KristofferC]

Consider

Breakpoint Hit: gg(x) in Main at /mnt/c/Users/Kristoffer/Debugging/file.jl:2 function gg(x)
     z = :foo
➧    b = "fdsf"
     q = Expr(:call, sin, 1)
     print(x)

Vars: x, z
Commands: CC (Continue), SI (Step In), SN (Step Next), SO (Step Out), XX (Abort)
iron>z
ERROR: UndefVarError: foo not defined

The problem is that :foo gets evaluated but it needs to be QuoteNode wrapped. See https://github.com/JuliaDebug/Debugger.jl/blob/8a64fd8ef98edf8fdc486900466274a83f9e3b8a/src/Debugger.jl#L72.