Fix clang buildfarm compiler error
Fix w32 build
Fix lot of overflows in the dwarf parser
Fix GCC warnings: array subscript has type 'char'

Reported at NetBSD-current/amd64
GCC 4.8.4 (nb1 20141012)
Fix underflow in RIO and clean some null derefs in RBin
Fix a crash when the map name is null. Fix a crash when a thread list is requested from a backend that doesn't support it.
fix crash in asm.c

asm.c could assemble more instructions than spots in the token array,
this fixes it.
libr/core/cmd_anal: make cmd_anal more readable
libr/core/cmd_anal: move input indexes inside functions
fix #1731 and #1733. Remove all workarounds for the agj non structured output, and fixes some minor bugs