FreePM server protocol

Server handles messages in Fs_ClientWork in Fs_main.cpp. Currently following messages exists:

Message	Data	Description	Status
F_CMD_GET_IHAB	Not implemented
F_CMD_CLIENT_EXIT	Not implemented
F_CMD_WINPOSTMSG	Not implemented
F_CMD_WINSENDMSG	Not implemented
F_CMD_WINQUERY_MSG	Not implemented
F_CMD_WINGET_MSG	Not implemented
F_CMD_WINCREATE_HWND	Not implemented
F_CMD_WINSET_PARENT_HWND	Not implemented
F_CMD_GET_HPS	Not implemented
F_CMD_RELEASE_HPS	Not implemented
F_CMD_WIN_SET_WND_SIZE	Not implemented
F_CMD_WIN_SET_WND_POS	Not implemented
F_CMD_WIN_GET_WND_SWP	Not implemented
F_CMD_WIN_SHOW	Not implemented
F_CMD_GPI_SET_COLOR	Not implemented
F_CMD_GPI_MOVE	Not implemented
F_CMD_GPI_LINE	Not implemented
F_CMD_GPI_DRAW_LINE	Not implemented
F_CMD_GPI_DRAW_RECT	Not implemented