Inclusion of sundry updates

See the file doc/history

Added tests to core.fr and prelimtest.fth

Closes issue #18

Additional tests

Tests added to coreplustest.fth, doubletest.fth, filetest.fth.Bug fix in errorreport.fth. See doc/changes.txt

Minor updates and NAME>INTERPRET improved

filetest.fth

• renamed SSQ10, SSQ11, SSQ12 to SSQ11, SSQ12, SSQ13 to avoid redefinition
  messages

stringtest.fth

• renamed BUF to SUBBUF to avoid redefinition message

toolstest.fth

• improved NAME>INTERPRET test
• in >UPPERCASE replaced ?DO with IF etc as ?DO is Coer Extension
• renamed first GET-ALL to (GET-ALL) to avoid redefinition message

Version 0.13.1 Minor updates

blocktest.fth

• fixed issue #7 faults with single buffer blocks

core.fth

• corrected ACCEPT buffer block length to decimal 80 characters

coreplustest.fth

• moved double number with prefixes to doubletest.fth
• now tests maximum length definition names and all graphical characters accepted
• parses upper case characters using 'X' notation
• tests FIND with zero length strings and non-existent names

doubletest.fth

• received double number with prefixes from coreplus.fth

ANS/Forth 2012 Test Suite

Version 0.13 includes a new test program by Steve Palmer for the Block word set. Also to make optional word set test programs independent of each other a utilities file has been developed to provide definitions for those tests - this file only uses Core words.