changes to doc
removed unwanted files
changed register set PTBR and PTLR removed PID
changes in doc
renamed
changed makefile and dependancies in filename
made EX_HANDLER constant
renamed sample files
changed registers in spec
few changes in code, not checked
Merge branch 'master' of https://github.com/XOS-NITC/spl
added breakpoint statement
few corrections
Merge branch 'master' of https://github.com/XOS-NITC/spl
changed README
Merge branch 'master' of https://github.com/XOS-NITC/spl
changed gitignore
updated todo
Added String
corrected error in constants