1.) Changes to history handling
2.) Parsing of strings now enabled. Support for
  - character entry using hexadecimal format ($xx)
  - character entry using decimal format (#xxx)
  - delay within string (%DLYxxxx, where xxxx is delay in ms)
  - insertion of existing macros into macro strings (%Mxx, where xx is number of macro to insert)
  - new-line characters (%CRLF, %CR, %LF)