added the flags field to the context object

added the try_catch instruction

trivial changes

fixed some compiler bugs in processing weird if..elif..else expressions without body parts - (if true), (if false else), (if false elif true)

prefixed chmod and rmdir with @ in coderepomodel.php

fixed some wrong uses of 

set the defailt logging mask to 0. 
fixed wrong format specifiers in std.c

changed the default logging mask to 0

fixed a bug  in moo_allocheap()

moved the heapsize parameter from hcl_open() to hcl_ignite()

touched up code a bit

removed unneeded code

used hcl_openstdwithmmgr() in hcl-s.c and  deleted unneeded code

added std.c

trivial changes only

merged pf_semaphore_signal() and pf_semaphore_signal_timed()

preparing to implement semaphores

fixed some process management code

fixed a flaw in post_lambda() in the compiler code

removed unneeded code
uniformize the naming of locptr, dbgl to dbgi

enhanced the vm to supplement the error message with debug information

removed some unneeded code.
changed the source input handler to set the name field for the main stream

cleaned up a bit

removed unneeded code

removed hcl_read() and hcl_compile().
in the next commit(), hcl_read2() and hcl_compile2() will get renamed to hcl_read() and hcl_compile() respectively

compiler enhancement in progress

more ongoing compiler enhancements

interim commit while enhancing the compiler

changing compiler code to preserve some debugging information

minor code change

fixed a wrong field name in cb-impl.c