Remove '\e'. The escape sequence is not in ISO C.

Signed-off-by: OGINO Masanori <masanori.ogino@gmail.com>
Cast to `void *` for '%p' format specifiers.

Signed-off-by: OGINO Masanori <masanori.ogino@gmail.com>
Merge pull request #13 from omasanori/isoc-part-1

Improve ISO C Conformance and Remove Warnings: Part 1
configurable none value
add pic_import
import repl libraries by default
[bugfix] `do` macro should execute epilogue expressions iff test
evaluates *true*
don't intern symbols newly generated by new_uniq_sym
pic_get_args supports pic_procs
rename procedure creation functions
add accessor functions to modify closed variables
add defvar declaration (just a prototype. no definition)
parameter implementation prototype
add parameter primitives: (picrin parameter) library
add make-parameter and parameterize
show debug print when a library is reopened
suppress unreachable warnings
update readme
initialize submodules in make
pic_get_args supports symbol