Merge pull request #10 from csziacobus/master

Improve syntax analysis for iteration macros
Merge pull request #11 from csziacobus/master

Flesh out SICL iteration module
Capitalize the paper title.
Extracted test system to a separate file.
Fixed name of package.
Added a comment saying it is probably OK to use FORMAT.
Updated email address
Removed file that is no longer used.
Removed slots and comments that are no longer relevant.
Removed functions now in Cleavir.
Replaced SICL-specific VARIABLE-INFO by Cleavir method.
Replaced SICL-specific FUNCTION-INFO by Cleavir method.
Removed BLOCK-INFO and TAG-INFO now defined by Cleavir.
Added clause for returning SPECIAL-OPERATOR-INFO to FUNCTION-INFO.
FIND-VARIABLE and FIND-FUNCTION only need to search global envirnment now.
FIND-VARIABLE and FIND-FUNCTION now use global environment passed as argument.
Introduced terminology EXTRINSIC to replace inappropriate FOREIGN.
Added IDENTITY slot to lexical variable.
Added name of global environment class.
Removed lexical location info classes now provided by Cleavir.