to the position of the type instead of the position of the
first alternative

for TypeVar, because the address appears in an
error message

instead of line number of first alternative
(new: check.icl, checkFunctionBodies.[id]cl)

changed field name prefix from ci_ to cp_
changed argument names from cp_info to cp_state

changed field name prefix from di_ to ds_

changed field name prefix from rc_ to rcs_

dynamics are converted before convertcases)

Module because the compiler prefixes it with an underscore. As a result
multiple defined _Module-symbols were reported by the compiler.

pretty print function.

out of range error reported by Peter.

third argument. This argument is used by the dynamic run-time system to
identify the context of an unify/coerce application.

to the main module is imported, and the main module is not an
implementation module.
renamed local function 'scan_dcl_module' into 'scan_main_dcl_module'.

optimize dot dot generators,
fixed bug in array comprehensions with more than one qualifier,
removed 'c' before 'cIsListGenerator' and 'cIsArrayGenerator'